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