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The attacks on Khan here personally irked me.

I grew up in a small rural town where math teachers were rare and good ones were nonexistent. I still remember watching Sal Khan's videos on calculus after struggling to get any grip on it from my frustratingly uninterested teacher who was forced into the position after our actual teacher retired. After I saw them I came back with a fire in me because for the first time he exposed me to the beauty of calculus.

This guy is completely wrong about Khan not inspiring students to care. Sometimes all students need is to see what caring looks like to ignite it in themselves. You can feel how much he cares just by watching him because the video is the product of all that caring, and he does it for millions of people.

But thank you to this blog author for being brave enough to call out Khan's failures, I am sure it'll help education much more than Khan did.



> The attacks on Khan here personally irked me.

No good deed goes unpunished.


> "Sometimes all students need is to see what caring looks like to ignite it in themselves."

Excellent point, well expressed.

(Also, IMHO the sarcasm in your final sentence detracts from your comment.)


I don't have a problem with Khan's site existing, but it's disappointing that often answers to requests for learning materials/ideas begin and end with Khan Academy. My personal opinion is that Khan's videos are roughly comparable to an average-quality classroom teacher lecturing about a typical mediocre curriculum.

They have some significant advantages compared to (just) a classroom: (1) They set a quality floor – sometimes a teacher can be really incomprehensible, or mean, or whatever, but Khan's videos are consistently okay. (2) They are available from anywhere, without need for special social/technical infrastructure, like enrollment in school or access to a university library. (3) They are self paced, which means they can better accommodate the various interest level, motivation, and speed of different students. (A typical classroom also has some advantages: it gives social setting, a consistent schedule/structure, and human feedback.)

I'm also disappointed though, because it seems like, given production resources, there would be potential to make widely available materials that were much better than average lectures. With significant production effort (a team of subject experts and content creators doing a lot of dedicated work on each topic) I think it would be possible to make something truly great, but Khan's videos fall so far short of my imagination. For any particular topic, there are typically other freely available resources which I think are better.

I've also been disappointed because many people have hyped the site as being extraordinarily amazing, but when I have looked at it, what is there doesn't match the hype.


>I don't have a problem with Khan's site existing, but it's disappointing that often answers to requests for learning materials/ideas begin and end with Khan Academy. My personal opinion is that Khan's videos are roughly comparable to an average-quality classroom teacher lecturing about a typical mediocre curriculum.

Its better than average quality classroom teacher in my experience.

And the point is this didn’t exist online at the time. His resources were strictly more. I imagine its still hard to find a single free resource that matches its breadth and quality.


> materials that were much better

Do you have few examples?


Personally I like books, but there are also many, many lecture videos on YouTube, some of them excellent (though I think they could still be better with bigger production teams and higher budgets). For college-level technical subjects, there are also e.g. many MIT lectures on OCW. If you have a specific topic in mind, I urge you to search around. (Making a long list of my own book/website/video recommendations about various topics here seems a bit off topic and out of scope.)


> For college-level technical subjects, there are also e.g. many MIT lectures on OCW.

There are? I know an OCW course includes "lecture notes" pdfs. Does it have the lectures too?

For example, the course "distributed systems" is available on OCW as 6.824, from spring 2006: https://ocw.mit.edu/courses/6-824-distributed-computer-syste...

MIT has renumbered the course, but it's still around: https://pdos.csail.mit.edu/6.824/ . Don't be fooled by the URL; it's now 6.5840.

And a series of lectures is available too: https://www.youtube.com/@6.824/videos . They're from spring 2020. They link to the course website for spring 2020, which is great. But it doesn't link to them, and OCW doesn't know about any of this, as far as I can tell. The 6.824 lecture series is pretty hard to discover, too, because it's uploaded by an account dedicated solely to that one course, which isn't related to any other MIT lecture videos.


Some OCW courses have lecture videos, while others do not.


Is 6.824 one that does, or one that doesn't?


From your OCW link, you can see the Spring 2006 version of the course has syllabus, lecture notes, readings, lab assignments, and 2 quizzes available, but no videos. Separately, videos of the 2020 version of the course are on YouTube: https://www.youtube.com/playlist?list=PLrw6a1wE39_tb2fErI4-W...




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