Transcript

[[!template text="""Hi! My name is Eduardo Ochs. I'm the author of""" start="00:00:00.000" video="mainVideo-maxima" id="subtitle"]] [[!template text="""an obscure package called eev and I""" start="00:00:03.000" video="mainVideo-maxima" id="subtitle"]] [[!template text="""think that it's better to start this""" start="00:00:07.000" video="mainVideo-maxima" id="subtitle"]] [[!template text="""presentation by the middle of the story -""" start="00:00:08.000" video="mainVideo-maxima" id="subtitle"]] [[!template text="""by this word here: Maxima.""" start="00:00:10.000" video="mainVideo-maxima" id="subtitle"]] [[!template text="""Maxima is a computer algebra system""" start="00:00:12.000" video="mainVideo-maxima" id="subtitle"]] [[!template text="""that has several interfaces. One""" start="00:00:15.000" video="mainVideo-maxima" id="subtitle"]] [[!template text="""of them is WxMaxima, that looks very""" start="00:00:17.000" video="mainVideo-maxima" id="subtitle"]] [[!template text="""modern and is very pretty, and it""" start="00:00:20.000" video="mainVideo-maxima" id="subtitle"]] [[!template text="""looks like this...""" start="00:00:24.000" video="mainVideo-maxima" id="subtitle"]] [[!template text="""it's a cell based interface. We can type""" start="00:00:26.000" video="mainVideo-maxima" id="subtitle"]] [[!template text="""an expression here and execute it...""" start="00:00:30.000" video="mainVideo-maxima" id="subtitle"]] [[!template text="""here's the result.""" start="00:00:32.000" video="mainVideo-maxima" id="subtitle"]] [[!template text="""But I don't like that interface""" start="00:00:35.000" video="mainVideo-maxima" id="subtitle"]] [[!template text="""because my memory is very bad, and I type""" start="00:00:38.000" video="mainVideo-maxima" id="subtitle"]] [[!template text="""very slowly and with lots of mistakes...""" start="00:00:40.000" video="mainVideo-maxima" id="subtitle"]] [[!template text="""so for me this ugly interface that""" start="00:00:42.000" video="mainVideo-maxima" id="subtitle"]] [[!template text="""I'm going to show now is much better -""" start="00:00:46.000" video="mainVideo-maxima" id="subtitle"]] [[!template text="""and here I'm going to show how I am teaching""" start="00:00:49.000" video="mainVideo-maxima" id="subtitle"]] [[!template text="""that ugly interface to beginners.""" start="00:00:51.000" video="mainVideo-maxima" id="subtitle"]] [[!template text="""If I type f8 on these three lines here""" start="00:00:54.000" video="mainVideo-maxima" id="subtitle"]] [[!template text="""it creates a Maxima running inside Emacs -""" start="00:00:58.000" video="mainVideo-maxima" id="subtitle"]] [[!template text="""I mean, using a terminal and running inside""" start="00:01:00.000" video="mainVideo-maxima" id="subtitle"]] [[!template text="""a shell buffer in Emacs...""" start="00:01:04.000" video="mainVideo-maxima" id="subtitle"]] [[!template text="""and if I type f8 on this other the lines here""" start="00:01:06.000" video="mainVideo-maxima" id="subtitle"]] [[!template text="""the 'f8's send lines to Maxima, and, ta-daaa,""" start="00:01:09.000" video="mainVideo-maxima" id="subtitle"]] [[!template text="""this small program drew this.""" start="00:01:15.000" video="mainVideo-maxima" id="subtitle"]] [[!template text="""I live in Brazil and people in""" start="00:01:20.000" video="mainVideo-maxima" id="subtitle"]] [[!template text="""developed countries cannot imagine""" start="00:01:23.000" video="mainVideo-maxima" id="subtitle"]] [[!template text="""how are the beginners that we have here...""" start="00:01:26.000" video="mainVideo-maxima" id="subtitle"]] [[!template text="""in a sense Brazil is another planet.""" start="00:01:29.000" video="mainVideo-maxima" id="subtitle"]] [[!template text="""Let me explain why, and also let me""" start="00:01:32.000" video="mainVideo-maxima" id="subtitle"]] [[!template text="""explain why Maxima, why Emacs... because""" start="00:01:35.000" video="mainVideo-maxima" id="subtitle"]] [[!template text="""people always say "you should use""" start="00:01:37.000" video="mainVideo-maxima" id="subtitle"]] [[!template text="""programs that everyone finds intuitive,""" start="00:01:39.000" video="mainVideo-maxima" id="subtitle"]] [[!template text="""like VSCode"...""" start="00:01:41.000" video="mainVideo-maxima" id="subtitle"]] [[!template text="""well, I teach Calculus in a bad Campus""" start="00:01:43.000" video="mainVideo-maxima" id="subtitle"]] [[!template text="""of a good Federal University in Brazil.""" start="00:01:45.000" video="mainVideo-maxima" id="subtitle"]] [[!template text="""My university is called UFF, for""" start="00:01:47.000" video="mainVideo-maxima" id="subtitle"]] [[!template text="""Universidade Federal Fluminense.""" start="00:01:50.000" video="mainVideo-maxima" id="subtitle"]] [[!template text="""The main campus of UFF is in Niterói,""" start="00:01:53.000" video="mainVideo-maxima" id="subtitle"]] [[!template text="""that is a big city near Rio de Janeiro,""" start="00:01:56.000" video="mainVideo-maxima" id="subtitle"]] [[!template text="""and I work in a city called Rio das Ostras,""" start="00:02:00.000" video="mainVideo-maxima" id="subtitle"]] [[!template text="""that is is a small city 200 Kms away""" start="00:02:03.000" video="mainVideo-maxima" id="subtitle"]] [[!template text="""from Rio de Janeiro.""" start="00:02:03.000" video="mainVideo-maxima" id="subtitle"]] [[!template text="""I started working there in 2009.""" start="00:02:07.000" video="mainVideo-maxima" id="subtitle"]] [[!template text="""My campus gets very little funding -""" start="00:02:09.000" video="mainVideo-maxima" id="subtitle"]] [[!template text="""that's a long story that I don't have time""" start="00:02:13.000" video="mainVideo-maxima" id="subtitle"]] [[!template text="""to tell now - and we get the""" start="00:02:16.000" video="mainVideo-maxima" id="subtitle"]] [[!template text="""students that don't get enough marks in""" start="00:02:20.000" video="mainVideo-maxima" id="subtitle"]] [[!template text="""the admission process to go to better places.""" start="00:02:22.000" video="mainVideo-maxima" id="subtitle"]] [[!template text="""Also, my campus has two institutes -""" start="00:02:25.000" video="mainVideo-maxima" id="subtitle"]] [[!template text="""I call them The Institute of Humanities""" start="00:02:30.000" video="mainVideo-maxima" id="subtitle"]] [[!template text="""and The Institute of Inhumanities.""" start="00:02:33.000" video="mainVideo-maxima" id="subtitle"]] [[!template text="""Each of our institutes has a small building...""" start="00:02:35.000" video="mainVideo-maxima" id="subtitle"]] [[!template text="""the Humanities building has lots of plants and""" start="00:02:38.000" video="mainVideo-maxima" id="subtitle"]] [[!template text="""lots of graffittis - I call it the Good Building -""" start="00:02:41.000" video="mainVideo-maxima" id="subtitle"]] [[!template text="""and the Inhumanities building has lots""" start="00:02:46.000" video="mainVideo-maxima" id="subtitle"]] [[!template text="""of rules and prohibitions, and I call it the""" start="00:02:49.000" video="mainVideo-maxima" id="subtitle"]] [[!template text="""Evil Building.""" start="00:02:51.000" video="mainVideo-maxima" id="subtitle"]] [[!template text="""I heard that the Inhumanities building""" start="00:02:51.000" video="mainVideo-maxima" id="subtitle"]] [[!template text="""has a laboratory with computers, and that""" start="00:02:56.000" video="mainVideo-maxima" id="subtitle"]] [[!template text="""it doesn't have any machine that runs Linux...""" start="00:02:58.000" video="mainVideo-maxima" id="subtitle"]] [[!template text="""but the Inhumanities building is""" start="00:03:00.000" video="mainVideo-maxima" id="subtitle"]] [[!template text="""shrouded in mystery, and basically""" start="00:03:05.000" video="mainVideo-maxima" id="subtitle"]] [[!template text="""humans avoid it - only inhumans go there.""" start="00:03:07.000" video="mainVideo-maxima" id="subtitle"]] [[!template text="""I only discovered how much "another planet"""" start="00:03:09.000" video="mainVideo-maxima" id="subtitle"]] [[!template text="""Brazil is a few months ago. In May and June""" start="00:03:12.000" video="mainVideo-maxima" id="subtitle"]] [[!template text="""of this year the federal universities in Brazil""" start="00:03:15.000" video="mainVideo-maxima" id="subtitle"]] [[!template text="""paralyzed their activities in a nationwide""" start="00:03:18.000" video="mainVideo-maxima" id="subtitle"]] [[!template text="""strike for two months, and during the strike""" start="00:03:21.000" video="mainVideo-maxima" id="subtitle"]] [[!template text="""the humanity students occupied the""" start="00:03:23.000" video="mainVideo-maxima" id="subtitle"]] [[!template text="""Humanities Building and organized lots""" start="00:03:28.000" video="mainVideo-maxima" id="subtitle"]] [[!template text="""of activities there.""" start="00:03:31.000" video="mainVideo-maxima" id="subtitle"]] [[!template text="""They asked me if I could give some workshops""" start="00:03:31.000" video="mainVideo-maxima" id="subtitle"]] [[!template text="""and I offered two hands-on workshops""" start="00:03:34.000" video="mainVideo-maxima" id="subtitle"]] [[!template text="""on Free Software for beginners -""" start="00:03:36.000" video="mainVideo-maxima" id="subtitle"]] [[!template text="""basically on Emacs and eev, with""" start="00:03:40.000" video="mainVideo-maxima" id="subtitle"]] [[!template text="""tutorials with lots of "try this"s...""" start="00:03:45.000" video="mainVideo-maxima" id="subtitle"]] [[!template text="""and, as usual, the students of""" start="00:03:49.000" video="mainVideo-maxima" id="subtitle"]] [[!template text="""Computer Science and Engineering ignored""" start="00:03:54.000" video="mainVideo-maxima" id="subtitle"]] [[!template text="""the workshop completely, and didn't come...""" start="00:03:56.000" video="mainVideo-maxima" id="subtitle"]] [[!template text="""but some students of psychology and of""" start="00:03:59.000" video="mainVideo-maxima" id="subtitle"]] [[!template text="""Producão Cultural, which is basically""" start="00:04:01.000" video="mainVideo-maxima" id="subtitle"]] [[!template text="""techniques for producing cultural""" start="00:04:04.000" video="mainVideo-maxima" id="subtitle"]] [[!template text="""activities, came to workshop... and they LOVED""" start="00:04:08.000" video="mainVideo-maxima" id="subtitle"]] [[!template text="""the workshop - they found it FUN.""" start="00:04:11.000" video="mainVideo-maxima" id="subtitle"]] [[!template text="""And after the workshop I told the""" start="00:04:14.000" video="mainVideo-maxima" id="subtitle"]] [[!template text="""students that there are lots of things""" start="00:04:17.000" video="mainVideo-maxima" id="subtitle"]] [[!template text="""that, uh, "everyone knows and I don't",""" start="00:04:19.000" video="mainVideo-maxima" id="subtitle"]] [[!template text="""and I would like to learn them,""" start="00:04:22.000" video="mainVideo-maxima" id="subtitle"]] [[!template text="""but I find them too hard to learn by myself""" start="00:04:24.000" video="mainVideo-maxima" id="subtitle"]] [[!template text="""because I'm a dinosaur - I'm only used to""" start="00:04:27.000" video="mainVideo-maxima" id="subtitle"]] [[!template text="""interfaces that are very old,""" start="00:04:29.000" video="mainVideo-maxima" id="subtitle"]] [[!template text="""and that are not graphical... and one""" start="00:04:31.000" video="mainVideo-maxima" id="subtitle"]] [[!template text="""of the examples of the things that I""" start="00:04:35.000" video="mainVideo-maxima" id="subtitle"]] [[!template text="""would like to learn was Canva.""" start="00:04:37.000" video="mainVideo-maxima" id="subtitle"]] [[!template text="""And then the student of Produção Cultural""" start="00:04:39.000" video="mainVideo-maxima" id="subtitle"]] [[!template text="""taught me Canva in 10 minutes,""" start="00:04:42.000" video="mainVideo-maxima" id="subtitle"]] [[!template text="""AND THAT CHANGED MY LIFE.""" start="00:04:45.000" video="mainVideo-maxima" id="subtitle"]] [[!template text="""Anyway, again, I'm working in that place,""" start="00:04:54.000" video="mainVideo-maxima" id="subtitle"]] [[!template text="""Rio das Ostras, since 2009,""" start="00:04:58.000" video="mainVideo-maxima" id="subtitle"]] [[!template text="""and the Computer Science students""" start="00:05:00.000" video="mainVideo-maxima" id="subtitle"]] [[!template text="""here know lots of programs and languages""" start="00:05:04.000" video="mainVideo-maxima" id="subtitle"]] [[!template text="""that I would like to learn, but in all""" start="00:05:06.000" video="mainVideo-maxima" id="subtitle"]] [[!template text="""these 15 years the Computer Science""" start="00:05:08.000" video="mainVideo-maxima" id="subtitle"]] [[!template text="""students only helped me twice.""" start="00:05:11.000" video="mainVideo-maxima" id="subtitle"]] [[!template text="""It turns out that our Inhumanities""" start="00:05:14.000" video="mainVideo-maxima" id="subtitle"]] [[!template text="""students don't have a culture of sharing""" start="00:05:17.000" video="mainVideo-maxima" id="subtitle"]] [[!template text="""and helping - but our Humanities students do.""" start="00:05:20.000" video="mainVideo-maxima" id="subtitle"]] [[!template text="""Another detail about how much Brazil""" start="00:05:26.000" video="mainVideo-maxima" id="subtitle"]] [[!template text="""is another planet...""" start="00:05:29.000" video="mainVideo-maxima" id="subtitle"]] [[!template text="""well, I only discovered this very""" start="00:05:30.000" video="mainVideo-maxima" id="subtitle"]] [[!template text="""recently, too... my research is in Logic,""" start="00:05:33.000" video="mainVideo-maxima" id="subtitle"]] [[!template text="""I sometimes go to conferences, usually in""" start="00:05:38.000" video="mainVideo-maxima" id="subtitle"]] [[!template text="""Brazil, very rarely outside, and people""" start="00:05:40.000" video="mainVideo-maxima" id="subtitle"]] [[!template text="""here don't bring their laptops to the""" start="00:05:44.000" video="mainVideo-maxima" id="subtitle"]] [[!template text="""conferences - we don't have a culture""" start="00:05:46.000" video="mainVideo-maxima" id="subtitle"]] [[!template text="""of sitting together with friends""" start="00:05:49.000" video="mainVideo-maxima" id="subtitle"]] [[!template text="""or colleagues to learn with them how to""" start="00:05:51.000" video="mainVideo-maxima" id="subtitle"]] [[!template text="""use the programs that they use...""" start="00:05:54.000" video="mainVideo-maxima" id="subtitle"]] [[!template text="""for example, many of my friends""" start="00:05:56.000" video="mainVideo-maxima" id="subtitle"]] [[!template text="""are logicians, so they have to draw""" start="00:06:01.000" video="mainVideo-maxima" id="subtitle"]] [[!template text="""lots of diagrams, and I don't know how""" start="00:06:05.000" video="mainVideo-maxima" id="subtitle"]] [[!template text="""they use their programs to draw diagrams...""" start="00:06:08.000" video="mainVideo-maxima" id="subtitle"]] [[!template text="""I don't know how things are in""" start="00:06:13.000" video="mainVideo-maxima" id="subtitle"]] [[!template text="""universities with good computer labs but,""" start="00:06:15.000" video="mainVideo-maxima" id="subtitle"]] [[!template text="""anyway, consider these sentences""" start="00:06:18.000" video="mainVideo-maxima" id="subtitle"]] [[!template text="""sentences that sort of everybody says...""" start="00:06:22.000" video="mainVideo-maxima" id="subtitle"]] [[!template text=""""Everyone knows VSCode",""" start="00:06:25.000" video="mainVideo-maxima" id="subtitle"]] [[!template text=""""Everyone knows Jupiter Notebooks",""" start="00:06:25.000" video="mainVideo-maxima" id="subtitle"]] [[!template text=""""Everyone draws diagrams with Quiver"...""" start="00:06:27.000" video="mainVideo-maxima" id="subtitle"]] [[!template text="""Here these things are not true -""" start="00:06:31.000" video="mainVideo-maxima" id="subtitle"]] [[!template text="""and they are not relevant -""" start="00:06:34.000" video="mainVideo-maxima" id="subtitle"]] [[!template text="""here knowledge about programs does not""" start="00:06:36.000" video="mainVideo-maxima" id="subtitle"]] [[!template text="""propagate... and""" start="00:06:40.000" video="mainVideo-maxima" id="subtitle"]] [[!template text="""one of my goals in life is""" start="00:06:40.000" video="mainVideo-maxima" id="subtitle"]] [[!template text="""to become friends with some people who""" start="00:06:43.000" video="mainVideo-maxima" id="subtitle"]] [[!template text="""know how to use for example, code blocks""" start="00:06:45.000" video="mainVideo-maxima" id="subtitle"]] [[!template text="""in Org, and JavaScript, and learn some of""" start="00:06:47.000" video="mainVideo-maxima" id="subtitle"]] [[!template text="""their workflows... or, rather one of my""" start="00:06:50.000" video="mainVideo-maxima" id="subtitle"]] [[!template text="""goals is to become someone who deserves""" start="00:06:55.000" video="mainVideo-maxima" id="subtitle"]] [[!template text="""help.""" start="00:06:57.000" video="mainVideo-maxima" id="subtitle"]] [[!template text="""More on Maxima for students...""" start="00:07:02.000" video="mainVideo-maxima" id="subtitle"]] [[!template text="""remember: our inhumanities students""" start="00:07:05.000" video="mainVideo-maxima" id="subtitle"]] [[!template text="""don't have a culture of sharing and helping""" start="00:07:08.000" video="mainVideo-maxima" id="subtitle"]] [[!template text="""but our humanity students do...""" start="00:07:10.000" video="mainVideo-maxima" id="subtitle"]] [[!template text="""I've been telling my students - I teach""" start="00:07:13.000" video="mainVideo-maxima" id="subtitle"]] [[!template text="""Calculus 2 and 3 here -that they will learn""" start="00:07:16.000" video="mainVideo-maxima" id="subtitle"]] [[!template text="""much faster if they learn Maxima,""" start="00:07:19.000" video="mainVideo-maxima" id="subtitle"]] [[!template text="""and that people who learn Maxima can take""" start="00:07:21.000" video="mainVideo-maxima" id="subtitle"]] [[!template text="""an optional test and earn extra marks""" start="00:07:24.000" video="mainVideo-maxima" id="subtitle"]] [[!template text="""in the course, but if they behave""" start="00:07:27.000" video="mainVideo-maxima" id="subtitle"]] [[!template text="""as typical inhumanities students -""" start="00:07:31.000" video="mainVideo-maxima" id="subtitle"]] [[!template text="""I mean, not asking questions and""" start="00:07:34.000" video="mainVideo-maxima" id="subtitle"]] [[!template text="""not helping their colleagues -""" start="00:07:37.000" video="mainVideo-maxima" id="subtitle"]] [[!template text="""then I won't help help...""" start="00:07:39.000" video="mainVideo-maxima" id="subtitle"]] [[!template text="""Actually it's even worse. I've""" start="00:07:42.000" video="mainVideo-maxima" id="subtitle"]] [[!template text="""told my students that my documentation""" start="00:07:45.000" video="mainVideo-maxima" id="subtitle"]] [[!template text="""is not good enough yet and every""" start="00:07:47.000" video="mainVideo-maxima" id="subtitle"]] [[!template text="""question helps me a lot, so PLEASE ask""" start="00:07:50.000" video="mainVideo-maxima" id="subtitle"]] [[!template text="""questions, and I've bagged on my knees...""" start="00:07:53.000" video="mainVideo-maxima" id="subtitle"]] [[!template text="""and now I can treat students""" start="00:07:57.000" video="mainVideo-maxima" id="subtitle"]] [[!template text="""who don't ask questions as people who""" start="00:08:01.000" video="mainVideo-maxima" id="subtitle"]] [[!template text="""won't help someone that they know""" start="00:08:02.000" video="mainVideo-maxima" id="subtitle"]] [[!template text="""who is begging on his knees!""" start="00:08:05.000" video="mainVideo-maxima" id="subtitle"]] [[!template text="""Now let me explain another word of""" start="00:08:08.000" video="mainVideo-maxima" id="subtitle"]] [[!template text="""the title of this presentation.""" start="00:08:12.000" video="mainVideo-maxima" id="subtitle"]] [[!template text="""The title of this presentation is""" start="00:08:15.000" video="mainVideo-maxima" id="subtitle"]] [[!template text=""""Emacs, eev, and Maxima - Now!"""" start="00:08:17.000" video="mainVideo-maxima" id="subtitle"]] [[!template text="""The "Now!" in the title means:""" start="00:08:17.000" video="mainVideo-maxima" id="subtitle"]] [[!template text="""in less than one hour and even for people""" start="00:08:22.000" video="mainVideo-maxima" id="subtitle"]] [[!template text="""who have never seen a terminal in their lives.""" start="00:08:25.000" video="mainVideo-maxima" id="subtitle"]] [[!template text="""Well, my title is a slight exaggeration...""" start="00:08:27.000" video="mainVideo-maxima" id="subtitle"]] [[!template text="""it only took less than one hour""" start="00:08:32.000" video="mainVideo-maxima" id="subtitle"]] [[!template text="""for one person, who is a school kid""" start="00:08:34.000" video="mainVideo-maxima" id="subtitle"]] [[!template text="""from a small City in the North of Brazil,""" start="00:08:37.000" video="mainVideo-maxima" id="subtitle"]] [[!template text="""who didn't know anything about programming,""" start="00:08:40.000" video="mainVideo-maxima" id="subtitle"]] [[!template text="""but who was competing in the local""" start="00:08:42.000" video="mainVideo-maxima" id="subtitle"]] [[!template text="""Math Olympiads, so not a typical person...""" start="00:08:44.000" video="mainVideo-maxima" id="subtitle"]] [[!template text="""Now let me tell a story based on""" start="00:08:50.000" video="mainVideo-maxima" id="subtitle"]] [[!template text="""real events and based on a real student.""" start="00:08:53.000" video="mainVideo-maxima" id="subtitle"]] [[!template text="""The student said: "I have Linux on my""" start="00:08:55.000" video="mainVideo-maxima" id="subtitle"]] [[!template text="""laptop, can you help me to do blah1?"""" start="00:08:58.000" video="mainVideo-maxima" id="subtitle"]] [[!template text="""I answered: "Sure, do blah2 and blah3..."""" start="00:09:00.000" video="mainVideo-maxima" id="subtitle"]] [[!template text="""this was all by chat, I don't remember if""" start="00:09:04.000" video="mainVideo-maxima" id="subtitle"]] [[!template text="""by WhatsApp or by Telegram...""" start="00:09:10.000" video="mainVideo-maxima" id="subtitle"]] [[!template text="""then one week passes, and the student""" start="00:09:10.000" video="mainVideo-maxima" id="subtitle"]] [[!template text="""talks to me again, and the student says:""" start="00:09:13.000" video="mainVideo-maxima" id="subtitle"]] [[!template text=""""It doesn't work!", and I answer:""" start="00:09:16.000" video="mainVideo-maxima" id="subtitle"]] [[!template text=""""What happens when you do blah4 and blah5?"""" start="00:09:19.000" video="mainVideo-maxima" id="subtitle"]] [[!template text="""another week passes, then the student reappears,""" start="00:09:21.000" video="mainVideo-maxima" id="subtitle"]] [[!template text="""and he says: "It doesn't work!"""" start="00:09:28.000" video="mainVideo-maxima" id="subtitle"]] [[!template text="""and I answer: "Type blah6 and blah7 in""" start="00:09:29.000" video="mainVideo-maxima" id="subtitle"]] [[!template text="""the terminal, press ENTER, take a""" start="00:09:33.000" video="mainVideo-maxima" id="subtitle"]] [[!template text="""photo of your screen... remember, not a""" start="00:09:36.000" video="mainVideo-maxima" id="subtitle"]] [[!template text="""screenshot, it's a photo of your screen...""" start="00:09:38.000" video="mainVideo-maxima" id="subtitle"]] [[!template text="""and send it to me." Then the student""" start="00:09:41.000" video="mainVideo-maxima" id="subtitle"]] [[!template text="""disappears again, another week passes and""" start="00:09:43.000" video="mainVideo-maxima" id="subtitle"]] [[!template text="""the student reappears and says:""" start="00:09:46.000" video="mainVideo-maxima" id="subtitle"]] [[!template text=""""How do I open a terminal?"""" start="00:09:49.000" video="mainVideo-maxima" id="subtitle"]] [[!template text="""Well, then...""" start="00:09:50.000" video="mainVideo-maxima" id="subtitle"]] [[!template text="""PLONK.""" start="00:09:52.000" video="mainVideo-maxima" id="subtitle"]] [[!template text="""According to the Jargon file "plonk" is""" start="00:09:54.000" video="mainVideo-maxima" id="subtitle"]] [[!template text="""the sound of that a newbie makes as he""" start="00:09:57.000" video="mainVideo-maxima" id="subtitle"]] [[!template text="""falls to the bottom of a kill file.""" start="00:10:00.000" video="mainVideo-maxima" id="subtitle"]] [[!template text="""I prefer this simpler definition here...""" start="00:10:02.000" video="mainVideo-maxima" id="subtitle"]] [[!template text="""for me "plonk" is the sound""" start="00:10:03.000" video="mainVideo-maxima" id="subtitle"]] [[!template text="""that a person makes when he, or she, or they""" start="00:10:06.000" video="mainVideo-maxima" id="subtitle"]] [[!template text="""hits the bottom of my list of priorities.""" start="00:10:08.000" video="mainVideo-maxima" id="subtitle"]] [[!template text="""I've been using this slogan with my""" start="00:10:15.000" video="mainVideo-maxima" id="subtitle"]] [[!template text="""students - it sounds much better in""" start="00:10:19.000" video="mainVideo-maxima" id="subtitle"]] [[!template text="""Portuguese, sorry... "I am not a telepath,""" start="00:10:22.000" video="mainVideo-maxima" id="subtitle"]] [[!template text="""and for me it is 100 times harder to""" start="00:10:25.000" video="mainVideo-maxima" id="subtitle"]] [[!template text="""discover the doubts of people who don't""" start="00:10:27.000" video="mainVideo-maxima" id="subtitle"]] [[!template text="""talk to me than to discover the doubts of""" start="00:10:29.000" video="mainVideo-maxima" id="subtitle"]] [[!template text="""people who do talk to me.""" start="00:10:32.000" video="mainVideo-maxima" id="subtitle"]] [[!template text="""There's an interesting thing here in""" start="00:10:38.000" video="mainVideo-maxima" id="subtitle"]] [[!template text="""this presentation by Abelson and Sussman.""" start="00:10:41.000" video="mainVideo-maxima" id="subtitle"]] [[!template text="""Let me explain now this word of""" start="00:10:47.000" video="mainVideo-maxima" id="subtitle"]] [[!template text="""my title, "Emacs"...""" start="00:10:51.000" video="mainVideo-maxima" id="subtitle"]] [[!template text="""and the idea is that learning Emacs can""" start="00:10:53.000" video="mainVideo-maxima" id="subtitle"]] [[!template text="""mean many things, learning Lisp can mean""" start="00:10:56.000" video="mainVideo-maxima" id="subtitle"]] [[!template text="""many things, and in this presentation...""" start="00:10:58.000" video="mainVideo-maxima" id="subtitle"]] [[!template text="""oh no, one second...""" start="00:11:03.000" video="mainVideo-maxima" id="subtitle"]] [[!template text="""sorry, back.""" start="00:11:07.000" video="mainVideo-maxima" id="subtitle"]] [[!template text="""In this presentation they say...""" start="00:11:09.000" video="mainVideo-maxima" id="subtitle"]] [[!template text=""""anyone can learn Lisp in one day,""" start="00:11:12.000" video="mainVideo-maxima" id="subtitle"]] [[!template text="""except that if they already know Fortran,""" start="00:11:16.000" video="mainVideo-maxima" id="subtitle"]] [[!template text="""then it will take three days".""" start="00:11:18.000" video="mainVideo-maxima" id="subtitle"]] [[!template text="""And I would add: and if the person""" start="00:11:20.000" video="mainVideo-maxima" id="subtitle"]] [[!template text="""is starting with Doom Emacs then it would""" start="00:11:24.000" video="mainVideo-maxima" id="subtitle"]] [[!template text="""take take five years.""" start="00:11:26.000" video="mainVideo-maxima" id="subtitle"]] [[!template text="""Why? Because the person is using""" start="00:11:28.000" video="mainVideo-maxima" id="subtitle"]] [[!template text="""a different notion of Emacs,""" start="00:11:20.000" video="mainVideo-maxima" id="subtitle"]] [[!template text="""and a different notion of Lisp.""" start="00:11:32.000" video="mainVideo-maxima" id="subtitle"]] [[!template text="""The person is starting by spending five""" start="00:11:35.000" video="mainVideo-maxima" id="subtitle"]] [[!template text="""years learning how to configure Emacs, and""" start="00:11:38.000" video="mainVideo-maxima" id="subtitle"]] [[!template text="""the person is using Lisp as a very weird""" start="00:11:41.000" video="mainVideo-maxima" id="subtitle"]] [[!template text="""configuration language.""" start="00:11:43.000" video="mainVideo-maxima" id="subtitle"]] [[!template text="""Usually the people who start by Doom Emacs""" start="00:11:46.000" video="mainVideo-maxima" id="subtitle"]] [[!template text="""they start by configuring Emacs,""" start="00:11:48.000" video="mainVideo-maxima" id="subtitle"]] [[!template text="""and only then they learn things like""" start="00:11:51.000" video="mainVideo-maxima" id="subtitle"]] [[!template text="""defun, etc...""" start="00:11:54.000" video="mainVideo-maxima" id="subtitle"]] [[!template text="""and another slogan that I use a lot""" start="00:11:56.000" video="mainVideo-maxima" id="subtitle"]] [[!template text="""with my students is that there are""" start="00:11:58.000" video="mainVideo-maxima" id="subtitle"]] [[!template text="""many cases in which learning just the""" start="00:12:01.000" video="mainVideo-maxima" id="subtitle"]] [[!template text="""thing B takes 200 hours but learning""" start="00:12:03.000" video="mainVideo-maxima" id="subtitle"]] [[!template text="""A and then B takes just 20 hours.""" start="00:12:07.000" video="mainVideo-maxima" id="subtitle"]] [[!template text="""Here are some kinds of beginners""" start="00:12:13.000" video="mainVideo-maxima" id="subtitle"]] [[!template text="""that I do not want to help.""" start="00:12:16.000" video="mainVideo-maxima" id="subtitle"]] [[!template text="""First example: a person who says "I can't""" start="00:12:19.000" video="mainVideo-maxima" id="subtitle"]] [[!template text="""read that page - it has too many links".""" start="00:12:21.000" video="mainVideo-maxima" id="subtitle"]] [[!template text="""Second example: a person who says""" start="00:12:24.000" video="mainVideo-maxima" id="subtitle"]] [[!template text=""""I don't want to read anything and""" start="00:12:27.000" video="mainVideo-maxima" id="subtitle"]] [[!template text="""I don't want to learn anything,""" start="00:12:29.000" video="mainVideo-maxima" id="subtitle"]] [[!template text="""I want something that just works".""" start="00:12:31.000" video="mainVideo-maxima" id="subtitle"]] [[!template text="""And third example: "I don't want to""" start="00:12:32.000" video="mainVideo-maxima" id="subtitle"]] [[!template text="""look at examples, you need to summarize""" start="00:12:36.000" video="mainVideo-maxima" id="subtitle"]] [[!template text="""everything to me in one paragraph".""" start="00:12:38.000" video="mainVideo-maxima" id="subtitle"]] [[!template text="""There are more explanations on""" start="00:12:40.000" video="mainVideo-maxima" id="subtitle"]] [[!template text="""these kinds of beginners at my page""" start="00:12:43.000" video="mainVideo-maxima" id="subtitle"]] [[!template text="""about this presentation - here.""" start="00:12:47.000" video="mainVideo-maxima" id="subtitle"]] [[!template text="""And here is one kind of beginner""" start="00:12:49.000" video="mainVideo-maxima" id="subtitle"]] [[!template text="""that I really want to help.""" start="00:12:53.000" video="mainVideo-maxima" id="subtitle"]] [[!template text="""Beginners that are nerdy kids""" start="00:12:54.000" video="mainVideo-maxima" id="subtitle"]] [[!template text="""who are used to:""" start="00:12:57.000" video="mainVideo-maxima" id="subtitle"]] [[!template text="""reading materials that are too advanced for them,""" start="00:13:00.000" video="mainVideo-maxima" id="subtitle"]] [[!template text="""understanding only a few percent of what they read,""" start="00:13:03.000" video="mainVideo-maxima" id="subtitle"]] [[!template text="""remembering just a tiny fraction of what they read,""" start="00:13:05.000" video="mainVideo-maxima" id="subtitle"]] [[!template text="""going to back to these materials later,""" start="00:13:10.000" video="mainVideo-maxima" id="subtitle"]] [[!template text="""and taking notes about what they read...""" start="00:13:14.000" video="mainVideo-maxima" id="subtitle"]] [[!template text="""and who are also always interested in""" start="00:13:19.000" video="mainVideo-maxima" id="subtitle"]] [[!template text="""experimenting with new ways of taking notes,""" start="00:13:22.000" video="mainVideo-maxima" id="subtitle"]] [[!template text="""transcribing, summarizing and saving links""" start="00:13:25.000" video="mainVideo-maxima" id="subtitle"]] [[!template text="""to primary sources.""" start="00:13:28.000" video="mainVideo-maxima" id="subtitle"]] [[!template text="""I'd like to say something about how""" start="00:13:32.000" video="mainVideo-maxima" id="subtitle"]] [[!template text="""I've been plonking the paragraph people...""" start="00:13:36.000" video="mainVideo-maxima" id="subtitle"]] [[!template text="""who are the people who say:""" start="00:13:38.000" video="mainVideo-maxima" id="subtitle"]] [[!template text=""""I don't want to look at examples,""" start="00:13:40.000" video="mainVideo-maxima" id="subtitle"]] [[!template text="""you need to summarize everything to me""" start="00:13:43.000" video="mainVideo-maxima" id="subtitle"]] [[!template text="""in one paragraph".""" start="00:13:45.000" video="mainVideo-maxima" id="subtitle"]] [[!template text="""Well, I'm a mathematician...""" start="00:13:45.000" video="mainVideo-maxima" id="subtitle"]] [[!template text="""I work with lots of things""" start="00:13:48.000" video="mainVideo-maxima" id="subtitle"]] [[!template text="""that can only be summarized in a paragraph""" start="00:13:50.000" video="mainVideo-maxima" id="subtitle"]] [[!template text="""if we choose the level of who""" start="00:13:52.000" video="mainVideo-maxima" id="subtitle"]] [[!template text="""we are talking to...""" start="00:13:55.000" video="mainVideo-maxima" id="subtitle"]] [[!template text="""so we have many different""" start="00:13:57.000" video="mainVideo-maxima" id="subtitle"]] [[!template text="""one-paragraph summaries,""" start="00:13:59.000" video="mainVideo-maxima" id="subtitle"]] [[!template text="""one for each level...""" start="00:14:02.000" video="mainVideo-maxima" id="subtitle"]] [[!template text="""and in many cases this sentence,""" start="00:14:04.000" video="mainVideo-maxima" id="subtitle"]] [[!template text=""""you need to summarize it""" start="00:14:06.000" video="mainVideo-maxima" id="subtitle"]] [[!template text="""in one paragraph", is WRONG -""" start="00:14:08.000" video="mainVideo-maxima" id="subtitle"]] [[!template text="""the person means I want to learn a lot""" start="00:14:10.000" video="mainVideo-maxima" id="subtitle"]] [[!template text="""in 10 minutes - and this needs diagrams""" start="00:14:13.000" video="mainVideo-maxima" id="subtitle"]] [[!template text="""animations, AND EXAMPLES.""" start="00:14:15.000" video="mainVideo-maxima" id="subtitle"]] [[!template text="""This is an example of something""" start="00:14:18.000" video="mainVideo-maxima" id="subtitle"]] [[!template text="""in mathematics - in category Theory -""" start="00:14:21.000" video="mainVideo-maxima" id="subtitle"]] [[!template text="""I only understood after too many time -""" start="00:14:24.000" video="mainVideo-maxima" id="subtitle"]] [[!template text="""after zillions of years...""" start="00:14:27.000" video="mainVideo-maxima" id="subtitle"]] [[!template text="""It is called The Yoneda Lemma.""" start="00:14:29.000" video="mainVideo-maxima" id="subtitle"]] [[!template text="""This is the general case -""" start="00:14:30.000" video="mainVideo-maxima" id="subtitle"]] [[!template text="""this small thing here...""" start="00:14:32.000" video="mainVideo-maxima" id="subtitle"]] [[!template text="""but I only understood it after""" start="00:14:35.000" video="mainVideo-maxima" id="subtitle"]] [[!template text="""understanding many particular cases, and""" start="00:14:40.000" video="mainVideo-maxima" id="subtitle"]] [[!template text="""then organizing them in a way in which""" start="00:14:45.000" video="mainVideo-maxima" id="subtitle"]] [[!template text="""different figures had similar shapes...""" start="00:14:49.000" video="mainVideo-maxima" id="subtitle"]] [[!template text="""and the textual explanations""" start="00:14:52.000" video="mainVideo-maxima" id="subtitle"]] [[!template text="""for the Yoneda Lemma - the one paragraph""" start="00:14:56.000" video="mainVideo-maxima" id="subtitle"]] [[!template text="""explanations, or the many paragraph""" start="00:14:58.000" video="mainVideo-maxima" id="subtitle"]] [[!template text="""explanations - never helped the much...""" start="00:15:00.000" video="mainVideo-maxima" id="subtitle"]] [[!template text="""they contained formulas...""" start="00:15:04.000" video="mainVideo-maxima" id="subtitle"]] [[!template text="""in mathematics, but written linearly...""" start="00:15:07.000" video="mainVideo-maxima" id="subtitle"]] [[!template text="""that had too many symbols...""" start="00:15:10.000" video="mainVideo-maxima" id="subtitle"]] [[!template text="""and my mental buffer is very small...""" start="00:15:12.000" video="mainVideo-maxima" id="subtitle"]] [[!template text="""and I had to find several tricks to reduce""" start="00:15:15.000" video="mainVideo-maxima" id="subtitle"]] [[!template text="""the cognitive overload of all these ideas.""" start="00:15:18.000" video="mainVideo-maxima" id="subtitle"]] [[!template text="""For example, I had to name the symbols""" start="00:15:21.000" video="mainVideo-maxima" id="subtitle"]] [[!template text="""consecutively, like A, B, C,""" start="00:15:24.000" video="mainVideo-maxima" id="subtitle"]] [[!template text="""so there's a kind of a temporal order""" start="00:15:29.000" video="mainVideo-maxima" id="subtitle"]] [[!template text="""in which the symbols that appear first""" start="00:15:31.000" video="mainVideo-maxima" id="subtitle"]] [[!template text="""have initial letters...""" start="00:15:34.000" video="mainVideo-maxima" id="subtitle"]] [[!template text="""I had to find a way to put""" start="00:15:37.000" video="mainVideo-maxima" id="subtitle"]] [[!template text="""an archetypal case and the general case""" start="00:15:40.000" video="mainVideo-maxima" id="subtitle"]] [[!template text="""side to side -""" start="00:15:42.000" video="mainVideo-maxima" id="subtitle"]] [[!template text="""they have the same "shape"...""" start="00:15:43.000" video="mainVideo-maxima" id="subtitle"]] [[!template text="""I had to find good conventions""" start="00:15:45.000" video="mainVideo-maxima" id="subtitle"]] [[!template text="""for fonts and types...""" start="00:15:47.000" video="mainVideo-maxima" id="subtitle"]] [[!template text="""I had to choose good meanings""" start="00:15:49.000" video="mainVideo-maxima" id="subtitle"]] [[!template text="""for what it means...""" start="00:15:51.000" video="mainVideo-maxima" id="subtitle"]] [[!template text="""sorry, for what are vertical arrows,""" start="00:15:53.000" video="mainVideo-maxima" id="subtitle"]] [[!template text="""what are horizontal arrows, and so on...""" start="00:15:57.000" video="mainVideo-maxima" id="subtitle"]] [[!template text="""and what is "above without an arrow"...""" start="00:16:01.000" video="mainVideo-maxima" id="subtitle"]] [[!template text="""So, how much detail should we include""" start="00:16:06.000" video="mainVideo-maxima" id="subtitle"]] [[!template text="""in our technical explanations?""" start="00:16:09.000" video="mainVideo-maxima" id="subtitle"]] [[!template text="""Well there are many measures""" start="00:16:12.000" video="mainVideo-maxima" id="subtitle"]] [[!template text="""for cognitive (over)load...""" start="00:16:14.000" video="mainVideo-maxima" id="subtitle"]] [[!template text="""For example, I asked many technical questions""" start="00:16:17.000" video="mainVideo-maxima" id="subtitle"]] [[!template text="""on the Maxima mailing list""" start="00:16:20.000" video="mainVideo-maxima" id="subtitle"]] [[!template text="""that got answers that included""" start="00:16:21.000" video="mainVideo-maxima" id="subtitle"]] [[!template text="""snippets and names of of Lisp functions...""" start="00:16:24.000" video="mainVideo-maxima" id="subtitle"]] [[!template text="""in Common Lisp, because Maxima is written""" start="00:16:27.000" video="mainVideo-maxima" id="subtitle"]] [[!template text="""in Common Lisp... and I liked that...""" start="00:16:29.000" video="mainVideo-maxima" id="subtitle"]] [[!template text="""and I asked some some technical questions""" start="00:16:32.000" video="mainVideo-maxima" id="subtitle"]] [[!template text="""on the Org mailing list""" start="00:16:35.000" video="mainVideo-maxima" id="subtitle"]] [[!template text="""and on the Hyperbole mailing list,""" start="00:16:35.000" video="mainVideo-maxima" id="subtitle"]] [[!template text="""and usually I got answers""" start="00:16:37.000" video="mainVideo-maxima" id="subtitle"]] [[!template text="""that avoided the technical details...""" start="00:16:40.000" video="mainVideo-maxima" id="subtitle"]] [[!template text="""note that I chose the term "avoided"""" start="00:16:43.000" video="mainVideo-maxima" id="subtitle"]] [[!template text="""to denote frustration...""" start="00:16:45.000" video="mainVideo-maxima" id="subtitle"]] [[!template text="""by the way, if one of my students panics""" start="00:16:47.000" video="mainVideo-maxima" id="subtitle"]] [[!template text="""on this part here...""" start="00:16:50.000" video="mainVideo-maxima" id="subtitle"]] [[!template text=""""After setting the user and password""" start="00:16:54.000" video="mainVideo-maxima" id="subtitle"]] [[!template text="""you will get a Unix prompt"...""" start="00:16:56.000" video="mainVideo-maxima" id="subtitle"]] [[!template text="""if the student panics on this""" start="00:16:57.000" video="mainVideo-maxima" id="subtitle"]] [[!template text="""and does not know what to ask""" start="00:17:01.000" video="mainVideo-maxima" id="subtitle"]] [[!template text="""and just gives up, then...""" start="00:17:05.000" video="mainVideo-maxima" id="subtitle"]] [[!template text="""plonk.""" start="00:17:07.000" video="mainVideo-maxima" id="subtitle"]] [[!template text="""So... I was talking a lot about""" start="00:17:09.000" video="mainVideo-maxima" id="subtitle"]] [[!template text="""plonking people...""" start="00:17:13.000" video="mainVideo-maxima" id="subtitle"]] [[!template text="""What's left after plonking many people?""" start="00:17:15.000" video="mainVideo-maxima" id="subtitle"]] [[!template text="""Well, several kinds of beginners""" start="00:17:16.000" video="mainVideo-maxima" id="subtitle"]] [[!template text="""that I want to interact with...""" start="00:17:19.000" video="mainVideo-maxima" id="subtitle"]] [[!template text="""note that "kinds" is plural...""" start="00:17:21.000" video="mainVideo-maxima" id="subtitle"]] [[!template text="""Also, I get a definition for the term""" start="00:17:26.000" video="mainVideo-maxima" id="subtitle"]] [[!template text=""""beginners"... think on books...""" start="00:17:30.000" video="mainVideo-maxima" id="subtitle"]] [[!template text="""technical books, that start with""" start="00:17:32.000" video="mainVideo-maxima" id="subtitle"]] [[!template text=""""This book is written for the persons""" start="00:17:37.000" video="mainVideo-maxima" id="subtitle"]] [[!template text="""of the types such and such"...""" start="00:17:38.000" video="mainVideo-maxima" id="subtitle"]] [[!template text="""Maybe several definitions""" start="00:17:40.000" video="mainVideo-maxima" id="subtitle"]] [[!template text="""for the term "beginners"...""" start="00:17:43.000" video="mainVideo-maxima" id="subtitle"]] [[!template text="""also, a metric that lets me choose between""" start="00:17:47.000" video="mainVideo-maxima" id="subtitle"]] [[!template text="""options A, B and C when I'm trying to""" start="00:17:49.000" video="mainVideo-maxima" id="subtitle"]] [[!template text="""write material for my beginners...""" start="00:17:52.000" video="mainVideo-maxima" id="subtitle"]] [[!template text="""for example, here, again...""" start="00:17:55.000" video="mainVideo-maxima" id="subtitle"]] [[!template text="""should I explain what is a Unix prompt?""" start="00:18:00.000" video="mainVideo-maxima" id="subtitle"]] [[!template text="""No!!!""" start="00:18:04.000" video="mainVideo-maxima" id="subtitle"]] [[!template text="""Why "no"?""" start="00:18:07.000" video="mainVideo-maxima" id="subtitle"]] [[!template text="""Well, let me use another example.""" start="00:18:09.000" video="mainVideo-maxima" id="subtitle"]] [[!template text="""This one I took from a discussion on IRC...""" start="00:18:11.000" video="mainVideo-maxima" id="subtitle"]] [[!template text="""we were helping a certain beginner""" start="00:18:16.000" video="mainVideo-maxima" id="subtitle"]] [[!template text="""that was there...""" start="00:18:18.000" video="mainVideo-maxima" id="subtitle"]] [[!template text="""and one person suggested to the beginner""" start="00:18:20.000" video="mainVideo-maxima" id="subtitle"]] [[!template text="""to do this: type M-:, and then this""" start="00:18:24.000" video="mainVideo-maxima" id="subtitle"]] [[!template text="""thing here, and then ENTER.""" start="00:18:27.000" video="mainVideo-maxima" id="subtitle"]] [[!template text="""And I suggested this instead.""" start="00:18:29.000" video="mainVideo-maxima" id="subtitle"]] [[!template text="""Copy this expression to your notes,""" start="00:18:33.000" video="mainVideo-maxima" id="subtitle"]] [[!template text="""and then type C-e C-x C-e...""" start="00:18:35.000" video="mainVideo-maxima" id="subtitle"]] [[!template text="""and the mnemonic for C-e C-x C-e is""" start="00:18:38.000" video="mainVideo-maxima" id="subtitle"]] [[!template text="""C-exe, for "execute".""" start="00:18:42.000" video="mainVideo-maxima" id="subtitle"]] [[!template text="""And then... for me the option 1,""" start="00:18:44.000" video="mainVideo-maxima" id="subtitle"]] [[!template text="""this option here, is very costly,""" start="00:18:47.000" video="mainVideo-maxima" id="subtitle"]] [[!template text="""because the person has to type a lot""" start="00:18:50.000" video="mainVideo-maxima" id="subtitle"]] [[!template text="""without errors,""" start="00:18:53.000" video="mainVideo-maxima" id="subtitle"]] [[!template text="""and then after running that""" start="00:18:55.000" video="mainVideo-maxima" id="subtitle"]] [[!template text="""and reading this page here...""" start="00:18:59.000" video="mainVideo-maxima" id="subtitle"]] [[!template text="""the way of going back to that page is gone.""" start="00:19:03.000" video="mainVideo-maxima" id="subtitle"]] [[!template text="""So the person has to commit lots""" start="00:19:06.000" video="mainVideo-maxima" id="subtitle"]] [[!template text="""of information to memory -""" start="00:19:08.000" video="mainVideo-maxima" id="subtitle"]] [[!template text="""either the person learns from this page""" start="00:19:10.000" video="mainVideo-maxima" id="subtitle"]] [[!template text="""everything that she needs or the person""" start="00:19:13.000" video="mainVideo-maxima" id="subtitle"]] [[!template text="""memorizes how to go there the next time....""" start="00:19:16.000" video="mainVideo-maxima" id="subtitle"]] [[!template text="""and for me the option 2 - this one:""" start="00:19:20.000" video="mainVideo-maxima" id="subtitle"]] [[!template text="""put this in your notes and then""" start="00:19:24.000" video="mainVideo-maxima" id="subtitle"]] [[!template text="""execute it with C-exe -""" start="00:19:27.000" video="mainVideo-maxima" id="subtitle"]] [[!template text="""is much better, because the person""" start="00:19:29.000" video="mainVideo-maxima" id="subtitle"]] [[!template text="""commits information to notes,""" start="00:19:32.000" video="mainVideo-maxima" id="subtitle"]] [[!template text="""and the person learns a way to return""" start="00:19:34.000" video="mainVideo-maxima" id="subtitle"]] [[!template text="""to this node of the manual later...""" start="00:19:36.000" video="mainVideo-maxima" id="subtitle"]] [[!template text="""and with this the person learns""" start="00:19:40.000" video="mainVideo-maxima" id="subtitle"]] [[!template text="""another way to use her notes.""" start="00:19:45.000" video="mainVideo-maxima" id="subtitle"]] [[!template text="""I have a lot of material about that...""" start="00:19:47.000" video="mainVideo-maxima" id="subtitle"]] [[!template text="""see for example this page here -""" start="00:19:50.000" video="mainVideo-maxima" id="subtitle"]] [[!template text="""there's a link to it""" start="00:19:52.000" video="mainVideo-maxima" id="subtitle"]] [[!template text="""in my page for this talk...""" start="00:19:54.000" video="mainVideo-maxima" id="subtitle"]] [[!template text="""also, I live in a place in which""" start="00:19:56.000" video="mainVideo-maxima" id="subtitle"]] [[!template text="""the people who find my instructions""" start="00:19:58.000" video="mainVideo-maxima" id="subtitle"]] [[!template text="""too complex or too boring""" start="00:20:00.000" video="mainVideo-maxima" id="subtitle"]] [[!template text="""disappear - either for months or forever...""" start="00:20:03.000" video="mainVideo-maxima" id="subtitle"]] [[!template text="""So if I give an instruction""" start="00:20:06.000" video="mainVideo-maxima" id="subtitle"]] [[!template text="""that the person cannot understand""" start="00:20:08.000" video="mainVideo-maxima" id="subtitle"]] [[!template text="""and the person gives up""" start="00:20:10.000" video="mainVideo-maxima" id="subtitle"]] [[!template text="""I lose the person...""" start="00:20:13.000" video="mainVideo-maxima" id="subtitle"]] [[!template text="""Now let me do some things in a weird order.""" start="00:20:15.000" video="mainVideo-maxima" id="subtitle"]] [[!template text="""In a normal presentation this would be""" start="00:20:18.000" video="mainVideo-maxima" id="subtitle"]] [[!template text="""the conclusion, and it would be presented""" start="00:20:20.000" video="mainVideo-maxima" id="subtitle"]] [[!template text="""at the end...""" start="00:20:22.000" video="mainVideo-maxima" id="subtitle"]] [[!template text="""but I will present it now,""" start="00:20:24.000" video="mainVideo-maxima" id="subtitle"]] [[!template text="""before the technical details.""" start="00:20:26.000" video="mainVideo-maxima" id="subtitle"]] [[!template text="""So, I was teaching Emacs, eev and Maxima""" start="00:20:28.000" video="mainVideo-maxima" id="subtitle"]] [[!template text="""for students... did it work well?""" start="00:20:31.000" video="mainVideo-maxima" id="subtitle"]] [[!template text="""Well... sort of, but in a weird way.""" start="00:20:34.000" video="mainVideo-maxima" id="subtitle"]] [[!template text="""Many students decided to take my test""" start="00:20:36.000" video="mainVideo-maxima" id="subtitle"]] [[!template text="""on Emacs, eev, and Maxima...""" start="00:20:39.000" video="mainVideo-maxima" id="subtitle"]] [[!template text="""let me consider only the 35 students""" start="00:20:42.000" video="mainVideo-maxima" id="subtitle"]] [[!template text="""in the two last semesters that were able""" start="00:20:45.000" video="mainVideo-maxima" id="subtitle"]] [[!template text="""to do what I asked, that was to use a link""" start="00:20:48.000" video="mainVideo-maxima" id="subtitle"]] [[!template text="""like this one to go to my notes...""" start="00:20:51.000" video="mainVideo-maxima" id="subtitle"]] [[!template text="""they had to go to a specific small program""" start="00:20:56.000" video="mainVideo-maxima" id="subtitle"]] [[!template text="""in Maxima, copy that program to their notes,""" start="00:20:59.000" video="mainVideo-maxima" id="subtitle"]] [[!template text="""modify it a bit to make it solve""" start="00:21:02.000" video="mainVideo-maxima" id="subtitle"]] [[!template text="""a slightly different problem,""" start="00:21:04.000" video="mainVideo-maxima" id="subtitle"]] [[!template text="""and then save the new program.""" start="00:21:06.000" video="mainVideo-maxima" id="subtitle"]] [[!template text="""So it was mostly a test on the interface,""" start="00:21:08.000" video="mainVideo-maxima" id="subtitle"]] [[!template text="""and to test if they knew some""" start="00:21:11.000" video="mainVideo-maxima" id="subtitle"]] [[!template text="""very basic things on Maxima...""" start="00:21:14.000" video="mainVideo-maxima" id="subtitle"]] [[!template text="""but of these 35 students only 10 students""" start="00:21:16.000" video="mainVideo-maxima" id="subtitle"]] [[!template text="""asked questions on the Telegram group...""" start="00:21:19.000" video="mainVideo-maxima" id="subtitle"]] [[!template text="""Mostly they discussed""" start="00:21:21.000" video="mainVideo-maxima" id="subtitle"]] [[!template text="""with other students...""" start="00:21:24.000" video="mainVideo-maxima" id="subtitle"]] [[!template text="""sometimes live - they would bring""" start="00:21:27.000" video="mainVideo-maxima" id="subtitle"]] [[!template text="""their laptops to the university to discuss...""" start="00:21:30.000" video="mainVideo-maxima" id="subtitle"]] [[!template text="""they only do that very rarely,""" start="00:21:34.000" video="mainVideo-maxima" id="subtitle"]] [[!template text="""but they brought it...""" start="00:21:37.000" video="mainVideo-maxima" id="subtitle"]] [[!template text="""other times they would discuss""" start="00:21:40.000" video="mainVideo-maxima" id="subtitle"]] [[!template text="""with their colleagues on Discord...""" start="00:21:42.000" video="mainVideo-maxima" id="subtitle"]] [[!template text="""but I got very little feedback""" start="00:21:44.000" video="mainVideo-maxima" id="subtitle"]] [[!template text="""for my usability test.""" start="00:21:47.000" video="mainVideo-maxima" id="subtitle"]] [[!template text="""So my experiment failed - in the sense""" start="00:21:50.000" video="mainVideo-maxima" id="subtitle"]] [[!template text="""that I didn't get the feedback""" start="00:21:52.000" video="mainVideo-maxima" id="subtitle"]] [[!template text="""that I expected - I only got a fraction""" start="00:21:55.000" video="mainVideo-maxima" id="subtitle"]] [[!template text="""of the feedback that I expected...""" start="00:21:57.000" video="mainVideo-maxima" id="subtitle"]] [[!template text="""...but I learned lots of things.""" start="00:21:59.000" video="mainVideo-maxima" id="subtitle"]] [[!template text="""Well, I got very angry, very frustrated,""" start="00:22:03.000" video="mainVideo-maxima" id="subtitle"]] [[!template text="""but I saw that I can't invest a lot of energy""" start="00:22:06.000" video="mainVideo-maxima" id="subtitle"]] [[!template text="""on students who... how do I say?""" start="00:22:08.000" video="mainVideo-maxima" id="subtitle"]] [[!template text="""who "won't talk to me".""" start="00:22:11.000" video="mainVideo-maxima" id="subtitle"]] [[!template text="""then I decided to make contact""" start="00:22:13.000" video="mainVideo-maxima" id="subtitle"]] [[!template text="""with some schools - secondary schools -""" start="00:22:16.000" video="mainVideo-maxima" id="subtitle"]] [[!template text="""and to make a long story short...""" start="00:22:19.000" video="mainVideo-maxima" id="subtitle"]] [[!template text="""in one of the schools I was""" start="00:22:21.000" video="mainVideo-maxima" id="subtitle"]] [[!template text="""very well received...""" start="00:22:25.000" video="mainVideo-maxima" id="subtitle"]] [[!template text="""the students asked lots of questions,""" start="00:22:27.000" video="mainVideo-maxima" id="subtitle"]] [[!template text="""and in the middle of the discussion""" start="00:22:29.000" video="mainVideo-maxima" id="subtitle"]] [[!template text="""we were discussing this little program here,""" start="00:22:31.000" video="mainVideo-maxima" id="subtitle"]] [[!template text="""that splits the the frame in two windows""" start="00:22:35.000" video="mainVideo-maxima" id="subtitle"]] [[!template text="""and displays the file ~/HELP""" start="00:22:37.000" video="mainVideo-maxima" id="subtitle"]] [[!template text="""in the window at the right...""" start="00:22:38.000" video="mainVideo-maxima" id="subtitle"]] [[!template text="""and I showed them Elisp tutorial,""" start="00:22:41.000" video="mainVideo-maxima" id="subtitle"]] [[!template text="""that starts... here...""" start="00:22:46.000" video="mainVideo-maxima" id="subtitle"]] [[!template text="""and right in its third section""" start="00:22:50.000" video="mainVideo-maxima" id="subtitle"]] [[!template text="""it explains 'quote'.""" start="00:22:55.000" video="mainVideo-maxima" id="subtitle"]] [[!template text="""So, I had to explain to them""" start="00:22:57.000" video="mainVideo-maxima" id="subtitle"]] [[!template text="""how we can use quote to pass...""" start="00:23:00.000" video="mainVideo-maxima" id="subtitle"]] [[!template text="""to avoid evaluating a program...""" start="00:23:03.000" video="mainVideo-maxima" id="subtitle"]] [[!template text="""we can use quote to pass unevaluated""" start="00:23:07.000" video="mainVideo-maxima" id="subtitle"]] [[!template text="""programs as arguments...""" start="00:23:09.000" video="mainVideo-maxima" id="subtitle"]] [[!template text="""and quote blew their minds,""" start="00:23:11.000" video="mainVideo-maxima" id="subtitle"]] [[!template text="""and I was amazed by their questions,""" start="00:23:13.000" video="mainVideo-maxima" id="subtitle"]] [[!template text="""and I saw more clearly that the campus""" start="00:23:16.000" video="mainVideo-maxima" id="subtitle"]] [[!template text="""in which I work is a hole,""" start="00:23:18.000" video="mainVideo-maxima" id="subtitle"]] [[!template text="""and that I need to do more things outside.""" start="00:23:20.000" video="mainVideo-maxima" id="subtitle"]] [[!template text="""Now let's see some technical details.""" start="00:23:22.000" video="mainVideo-maxima" id="subtitle"]] [[!template text="""What exactly am I teaching to""" start="00:23:25.000" video="mainVideo-maxima" id="subtitle"]] [[!template text="""these students?""" start="00:23:28.000" video="mainVideo-maxima" id="subtitle"]] [[!template text="""Basically, my old tutorial for eev""" start="00:23:20.000" video="mainVideo-maxima" id="subtitle"]] [[!template text="""was this one... it started with a""" start="00:23:32.000" video="mainVideo-maxima" id="subtitle"]] [[!template text="""section on installing eev, and then it""" start="00:23:36.000" video="mainVideo-maxima" id="subtitle"]] [[!template text="""explained Lisp, and how to use""" start="00:23:39.000" video="mainVideo-maxima" id="subtitle"]] [[!template text="""elisp hyperlinks...""" start="00:23:42.000" video="mainVideo-maxima" id="subtitle"]] [[!template text="""and then lots of other things...""" start="00:23:44.000" video="mainVideo-maxima" id="subtitle"]] [[!template text="""but I'm using this new tutorial here,""" start="00:23:46.000" video="mainVideo-maxima" id="subtitle"]] [[!template text="""that I am not announcing in many places""" start="00:23:49.000" video="mainVideo-maxima" id="subtitle"]] [[!template text="""because I wanted to test it a lot""" start="00:23:51.000" video="mainVideo-maxima" id="subtitle"]] [[!template text="""before making it very public...""" start="00:23:54.000" video="mainVideo-maxima" id="subtitle"]] [[!template text="""and it starts with other installation""" start="00:23:59.000" video="mainVideo-maxima" id="subtitle"]] [[!template text="""instructions, that start with""" start="00:24:04.000" video="mainVideo-maxima" id="subtitle"]] [[!template text="""instructions for installing WSL""" start="00:24:06.000" video="mainVideo-maxima" id="subtitle"]] [[!template text="""on a machine with Windows,""" start="00:24:11.000" video="mainVideo-maxima" id="subtitle"]] [[!template text="""and then installing Debian there""" start="00:24:13.000" video="mainVideo-maxima" id="subtitle"]] [[!template text="""and then after that people have to install""" start="00:24:16.000" video="mainVideo-maxima" id="subtitle"]] [[!template text="""Emacs, and then they have to install eev...""" start="00:24:19.000" video="mainVideo-maxima" id="subtitle"]] [[!template text="""And I'm also using this map here,""" start="00:24:26.000" video="mainVideo-maxima" id="subtitle"]] [[!template text="""that I'm reorganizing,""" start="00:24:30.000" video="mainVideo-maxima" id="subtitle"]] [[!template text="""so it's going to change a lot""" start="00:24:32.000" video="mainVideo-maxima" id="subtitle"]] [[!template text="""in the next days...""" start="00:24:34.000" video="mainVideo-maxima" id="subtitle"]] [[!template text="""it has a 2-dimensional map here,""" start="00:24:36.000" video="mainVideo-maxima" id="subtitle"]] [[!template text="""and it has lots of things that I'm putting""" start="00:24:40.000" video="mainVideo-maxima" id="subtitle"]] [[!template text="""in a single place to make it easier""" start="00:24:44.000" video="mainVideo-maxima" id="subtitle"]] [[!template text="""to answer questions, and to show""" start="00:24:46.000" video="mainVideo-maxima" id="subtitle"]] [[!template text="""to the students that I have answers""" start="00:24:49.000" video="mainVideo-maxima" id="subtitle"]] [[!template text="""for the most common questions...""" start="00:24:51.000" video="mainVideo-maxima" id="subtitle"]] [[!template text="""Remember, my target audience""" start="00:24:56.000" video="mainVideo-maxima" id="subtitle"]] [[!template text="""is mostly composed of beginners who have""" start="00:24:59.000" video="mainVideo-maxima" id="subtitle"]] [[!template text="""never seen a terminal in their lives,""" start="00:25:02.000" video="mainVideo-maxima" id="subtitle"]] [[!template text="""and that get bored very quickly...""" start="00:25:04.000" video="mainVideo-maxima" id="subtitle"]] [[!template text="""and when they get bored they disappear.""" start="00:25:06.000" video="mainVideo-maxima" id="subtitle"]] [[!template text="""What are my main goals for the first day?""" start="00:25:10.000" video="mainVideo-maxima" id="subtitle"]] [[!template text="""I want them to "install everything",""" start="00:25:15.000" video="mainVideo-maxima" id="subtitle"]] [[!template text="""where "everything" means WSL on their""" start="00:25:19.000" video="mainVideo-maxima" id="subtitle"]] [[!template text="""Windows machines, then Debian, Emacs, eev,""" start="00:25:22.000" video="mainVideo-maxima" id="subtitle"]] [[!template text="""lots of Debian packages that they install""" start="00:25:27.000" video="mainVideo-maxima" id="subtitle"]] [[!template text="""with this block here...""" start="00:25:32.000" video="mainVideo-maxima" id="subtitle"]] [[!template text="""After that they need to run""" start="00:25:44.000" video="mainVideo-maxima" id="subtitle"]] [[!template text="""some Maxima programs, and some test blocks...""" start="00:25:47.000" video="mainVideo-maxima" id="subtitle"]] [[!template text="""and configure Emacs, and create a first set""" start="00:25:51.000" video="mainVideo-maxima" id="subtitle"]] [[!template text="""of executable notes, and I consider""" start="00:25:53.000" video="mainVideo-maxima" id="subtitle"]] [[!template text="""that after that the person is""" start="00:25:57.000" video="mainVideo-maxima" id="subtitle"]] [[!template text="""autonomous.""" start="00:25:59.000" video="mainVideo-maxima" id="subtitle"]] [[!template text="""I said that the students""" start="00:26:01.000" video="mainVideo-maxima" id="subtitle"]] [[!template text="""learn how to "Run some Maxima programs".""" start="00:26:04.000" video="mainVideo-maxima" id="subtitle"]] [[!template text="""Let me be more precise about that.""" start="00:26:05.000" video="mainVideo-maxima" id="subtitle"]] [[!template text="""The first step is something""" start="00:26:07.000" video="mainVideo-maxima" id="subtitle"]] [[!template text="""that I call "The 5-minute workshop"...""" start="00:26:09.000" video="mainVideo-maxima" id="subtitle"]] [[!template text="""it happens in the classroom,""" start="00:26:14.000" video="mainVideo-maxima" id="subtitle"]] [[!template text="""on my laptop, and I make the students""" start="00:26:17.000" video="mainVideo-maxima" id="subtitle"]] [[!template text="""run this.""" start="00:26:20.000" video="mainVideo-maxima" id="subtitle"]] [[!template text="""Actually in a first moment I run""" start="00:26:20.000" video="mainVideo-maxima" id="subtitle"]] [[!template text="""this thing here, and then I ask them""" start="00:26:24.000" video="mainVideo-maxima" id="subtitle"]] [[!template text="""to run it themselves.""" start="00:26:27.000" video="mainVideo-maxima" id="subtitle"]] [[!template text="""So: I type f8 on these three things here,""" start="00:26:30.000" video="mainVideo-maxima" id="subtitle"]] [[!template text="""we get a target buffer running Maxima,""" start="00:26:35.000" video="mainVideo-maxima" id="subtitle"]] [[!template text="""then I type f8 several other times here...""" start="00:26:37.000" video="mainVideo-maxima" id="subtitle"]] [[!template text="""when I type f8 here it opens a GNUPlot""" start="00:26:40.000" video="mainVideo-maxima" id="subtitle"]] [[!template text="""window, that I have to close""" start="00:26:42.000" video="mainVideo-maxima" id="subtitle"]] [[!template text="""by typing 'q' here...""" start="00:26:46.000" video="mainVideo-maxima" id="subtitle"]] [[!template text="""and that's it. And then I say:""" start="00:26:49.000" video="mainVideo-maxima" id="subtitle"]] [[!template text="""now it's your turn. And the students go there,""" start="00:26:51.000" video="mainVideo-maxima" id="subtitle"]] [[!template text="""they type f8 three times, and then they""" start="00:26:53.000" video="mainVideo-maxima" id="subtitle"]] [[!template text="""type f8 f8 f8 f8 f8 f8 f8 q f8 q...""" start="00:26:56.000" video="mainVideo-maxima" id="subtitle"]] [[!template text="""The second step is similar -""" start="00:27:03.000" video="mainVideo-maxima" id="subtitle"]] [[!template text="""is another individual workshop,""" start="00:27:07.000" video="mainVideo-maxima" id="subtitle"]] [[!template text="""also just a few minutes long,""" start="00:27:09.000" video="mainVideo-maxima" id="subtitle"]] [[!template text="""in which they learn how to access my notes.""" start="00:27:01.000" video="mainVideo-maxima" id="subtitle"]] [[!template text="""My notes on Maxima are here -""" start="00:27:15.000" video="mainVideo-maxima" id="subtitle"]] [[!template text="""I mean, this is the HTMLized version...""" start="00:27:17.000" video="mainVideo-maxima" id="subtitle"]] [[!template text="""it starts with a header, then a huge index,""" start="00:27:21.000" video="mainVideo-maxima" id="subtitle"]] [[!template text="""then many blocks like this...""" start="00:27:26.000" video="mainVideo-maxima" id="subtitle"]] [[!template text="""and this is a specific block that corresponds""" start="00:27:29.000" video="mainVideo-maxima" id="subtitle"]] [[!template text="""to the thing that we we ran""" start="00:27:31.000" video="mainVideo-maxima" id="subtitle"]] [[!template text="""in the first 5-minute workshop.""" start="00:27:33.000" video="mainVideo-maxima" id="subtitle"]] [[!template text="""And in this second 5-minute workshop""" start="00:27:37.000" video="mainVideo-maxima" id="subtitle"]] [[!template text="""they run the instructions in this section...""" start="00:27:40.000" video="mainVideo-maxima" id="subtitle"]] [[!template text="""usually I skip this thing in the first moment,""" start="00:27:43.000" video="mainVideo-maxima" id="subtitle"]] [[!template text="""then I explain it to them...""" start="00:27:46.000" video="mainVideo-maxima" id="subtitle"]] [[!template text="""and they run something like this,""" start="00:27:52.000" video="mainVideo-maxima" id="subtitle"]] [[!template text="""that downloads a copy""" start="00:27:56.000" video="mainVideo-maxima" id="subtitle"]] [[!template text="""of my notes on Maxima,""" start="00:27:58.000" video="mainVideo-maxima" id="subtitle"]] [[!template text="""puts that copy in a temporary buffer...""" start="00:28:02.000" video="mainVideo-maxima" id="subtitle"]] [[!template text="""and they can run the thing here""" start="00:28:04.000" video="mainVideo-maxima" id="subtitle"]] [[!template text="""exactly in the same way as before...""" start="00:28:06.000" video="mainVideo-maxima" id="subtitle"]] [[!template text="""And I also ask them to run the small""" start="00:28:18.000" video="mainVideo-maxima" id="subtitle"]] [[!template text="""Maxim programs in other blocks,""" start="00:28:22.000" video="mainVideo-maxima" id="subtitle"]] [[!template text="""like this one, for example...""" start="00:28:25.000" video="mainVideo-maxima" id="subtitle"]] [[!template text="""if we run this it calculates the solution""" start="00:28:27.000" video="mainVideo-maxima" id="subtitle"]] [[!template text="""of a question that I put in a test""" start="00:28:29.000" video="mainVideo-maxima" id="subtitle"]] [[!template text="""one or two semesters ago...""" start="00:28:31.000" video="mainVideo-maxima" id="subtitle"]] [[!template text="""it starts by calculating several integrals""" start="00:28:34.000" video="mainVideo-maxima" id="subtitle"]] [[!template text="""and then it organizes all the solutions""" start="00:28:38.000" video="mainVideo-maxima" id="subtitle"]] [[!template text="""in a big Matrix like this...""" start="00:28:41.000" video="mainVideo-maxima" id="subtitle"]] [[!template text="""I said that at one point the students""" start="00:28:49.000" video="mainVideo-maxima" id="subtitle"]] [[!template text="""have to install lots of Debian packages.""" start="00:28:52.000" video="mainVideo-maxima" id="subtitle"]] [[!template text="""This happens after they have installed""" start="00:28:55.000" video="mainVideo-maxima" id="subtitle"]] [[!template text="""Debian, then Emacs, and eev...""" start="00:28:59.000" video="mainVideo-maxima" id="subtitle"]] [[!template text="""and they already know a bit about eepitch,""" start="00:29:05.000" video="mainVideo-maxima" id="subtitle"]] [[!template text="""so they are in this section of the""" start="00:29:09.000" video="mainVideo-maxima" id="subtitle"]] [[!template text="""instructions, and they just have to type""" start="00:29:12.000" video="mainVideo-maxima" id="subtitle"]] [[!template text="""f8 here several times and watch what""" start="00:29:14.000" video="mainVideo-maxima" id="subtitle"]] [[!template text="""happens...""" start="00:29:20.000" video="mainVideo-maxima" id="subtitle"]] [[!template text="""after that we have many options,""" start="00:29:22.000" video="mainVideo-maxima" id="subtitle"]] [[!template text="""and I have this map here and I usually""" start="00:29:24.000" video="mainVideo-maxima" id="subtitle"]] [[!template text="""choose a path according to the interests""" start="00:29:26.000" video="mainVideo-maxima" id="subtitle"]] [[!template text="""and the questions of the students...""" start="00:29:29.000" video="mainVideo-maxima" id="subtitle"]] [[!template text="""and there are many things that can go wrong,""" start="00:29:32.000" video="mainVideo-maxima" id="subtitle"]] [[!template text="""so this page also works as as a place""" start="00:29:34.000" video="mainVideo-maxima" id="subtitle"]] [[!template text="""in which I put all my troubleshooting""" start="00:29:37.000" video="mainVideo-maxima" id="subtitle"]] [[!template text="""instructions...""" start="00:29:41.000" video="mainVideo-maxima" id="subtitle"]] [[!template text="""and if a student has a question...""" start="00:29:43.000" video="mainVideo-maxima" id="subtitle"]] [[!template text="""I mean, suppose that the student is""" start="00:29:43.000" video="mainVideo-maxima" id="subtitle"]] [[!template text="""talking to me by WhatsApp or Telegram,""" start="00:29:47.000" video="mainVideo-maxima" id="subtitle"]] [[!template text="""and the student is saying:""" start="00:29:50.000" video="mainVideo-maxima" id="subtitle"]] [[!template text="""okay I installed the things such and such,""" start="00:29:52.000" video="mainVideo-maxima" id="subtitle"]] [[!template text="""and I tried the thing blahblah, and""" start="00:29:54.000" video="mainVideo-maxima" id="subtitle"]] [[!template text="""something went wrong...""" start="00:29:56.000" video="mainVideo-maxima" id="subtitle"]] [[!template text="""and I say: ok, can you send me a screenshot""" start="00:29:58.000" video="mainVideo-maxima" id="subtitle"]] [[!template text="""or a photo of your screen?""" start="00:29:59.000" video="mainVideo-maxima" id="subtitle"]] [[!template text="""And then we can troubleshoot that""" start="00:30:02.000" video="mainVideo-maxima" id="subtitle"]] [[!template text="""by using a section of this page here.""" start="00:30:04.000" video="mainVideo-maxima" id="subtitle"]] [[!template text="""This is a work in progress,""" start="00:30:10.000" video="mainVideo-maxima" id="subtitle"]] [[!template text="""I'm reorganizing this thing for""" start="00:30:11.000" video="mainVideo-maxima" id="subtitle"]] [[!template text="""the 10th time...""" start="00:30:14.000" video="mainVideo-maxima" id="subtitle"]] [[!template text="""and the rest of what can happen""" start="00:30:15.000" video="mainVideo-maxima" id="subtitle"]] [[!template text="""with these students can't be explained""" start="00:30:19.000" video="mainVideo-maxima" id="subtitle"]] [[!template text="""clearly in a video... so I'm going""" start="00:30:21.000" video="mainVideo-maxima" id="subtitle"]] [[!template text="""to put the all the other stuff in the""" start="00:30:23.000" video="mainVideo-maxima" id="subtitle"]] [[!template text="""page of the video, and I'm going to stop""" start="00:30:26.000" video="mainVideo-maxima" id="subtitle"]] [[!template text="""the video here.""" start="00:30:28.000" video="mainVideo-maxima" id="subtitle"]] [[!template text="""So: thanks, and bye!""" start="00:30:30.000" video="mainVideo-maxima" id="subtitle"]]