source stringlengths 3 803 | target stringlengths 3 6.77k |
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say "Hey, this is going to be a 2". But what we'll do in this video is to think | α§ααΆα αααΆααΎαααΆααααΈααΆαββ 7x = 14 α αα»αααΉαααααααααΆααααΈααΆαααα ααΎαααααΌααα·αααΆααΆααΆααααααΌα
ααααα
αα·α 7x = 14 ααΆααΌα
ααααΆαα·αααΆβ7 αα»αααΉαβ x α₯α‘αΌααααα’αααα’αΆα
αα·ααααα»ααα½αααααΆαααΆα α’αααα’αΆα
ααΎαααΆααΆααααα»α α’αααααΌαααβ 7 αα½αααβ 7β ααα»ααααααΆα’ααβααααΌα 7 ααΈαααβ 14αββ α’ααααΉαβααΈαααΆα
αααΎα α αΎαα’αααααα’αΆα
αααααααΆαααΆαααααΆα α’αααα’αΆα
ααΆαααΆααααααααααααα αα·αααΆααΆααΆα... |
one two three four | one - Khmer two - Khmer three - Khmer four - Khmer |
Your personal ancestry story begins with a shared story of our human ancestry. | αααααααα·ααΎαααααααΎαα
αΆααααααΎα ααΆαα½ααα·αααΏααααΆααα½αααααΌαααααααα»αααααααααΎα |
You and your distant cousin, the chimpanzee, had a common ancestor, which lived about 6 and 1/2 million years ago. We can learn about this common ancestor by noting what makes us similar to chimps. But many things also distinguish us from chimpanzees, | α’ααα αα·α ααααα’αΌαααΆα
αααααΆα ααΈααααΆαα αααΈ ααΆααα»ααααα»αααα½αααααΆ αααααΆαααααα
αααα αα 6,5 ααΆαααααααα
ααΎαα’αΆα
αα·ααααΆα’αααΈαα»ααααα»αααα½ααααααα αααααααΆααααΈα
ααα»α
αααααααααααααΆαααΆαααΎα αα·α ααα½αααααΆ ααΈααααΆαα αααΈ ααα»ααααααααΆαα
ααα»α
ααΆα
αααΎαααα ααααααα αΆαααΈααΆααα»αααααΆαααΆαααΎα αα·αααα½αααααΆ ααΈααααΆαα αααΈ ααΌα
ααΆαα½αααααΆαααααααααΎα αααα’αΆα
α’ααααΎα αααααααα ααα»αα α... |
The Khan Academy is most known for its collection of videos, so before I go any farther, let me show you a little bit of a montage. So the hypotenuse is now going to be five. | Khan Academy ααααΌαααΆαααααααΆααααΆαα
αααΎα ααΆααα:ααααα»ααα ααΈααα’αΌ αααααα ααΌα
αααααα»αααααααα»ααααααΆαααα
ααααΆαααα αααα»αααΌααααα αΆαα£ααα ααααα·α
α’αααΈααααΎαααΆαα ααΌα
ααααααααααααααΆαααααααααΈααα α₯ααΌααααααΊ α₯ α α αααΌααΈα»αααααααα ααααΎααααα
αααααααα ααααααΈαα£αΆαααα·αααΆαααααΌα ααααααααααααα£αΆαααα α αΎααα·α ααααααααααα£αΆα ααααα·αα ααΎαα£αΆα
α
ααααΆα
ααααα
αΌα αα
ααααααα... |
We now have on the order of 2,200 videos covering everything from basic arithmetic all the way to vector calculus and some of the stuff you saw up there. We have a million students a month using the site, watching on the order of 100 to 200,000 videos a day. But what we're going to talk about in this is how we're going... | α₯ααΌααααααΎαααΆαααΆαααααΆαα αα α’α’α α ααΈααα’αΌ ααααααααααα’αααΈαααΆααα’αα α
αΆααααΈ ααα·α αα αΌαααα ααΆαααααΆ αα·α
ααα α αΎααα·α αααααααααααα’αααααΆαααΎααα
ααααααααα ααΎαααΆαααΌααα·ααα αα½αααΆαα’ααα αααα»ααα½ααα ααααΎααααΆαα αααααΆα ααΎα α‘α α αα
α’α α α α α ααΈααα’αΌαααα»ααα½αααααα ααα»ααααα’αααΈαααααΎαα
αααα·ααΆα ααΊ ααΆααΎααΎαααααΎααΌα
ααααα
ααΎααααΈαα
ααΆααααα αΆααααααΆααα ααα»αααααα»αααααα... |
And once you get over the backhanded nature of that, there was actually something very profound there. They were saying that they preferred the automated version of their cousin to their cousin. At first, it's very unintuitive, but when you actually think about it from their point of view, it makes a ton of sense. | α αΎααα
ααααααα’ααα αααααααααααααααΆαα· ααααααααααα ααΆααα·ααα
ααΆααΆα ααΆααααΈαααα
ααααααααα αααα·ααΆαααΆ ααα
αΌαα
α·ααα ααααα’αΌαααΈααΌααα½α ααααααααααααα· αααααα ααΆααΆα ααααα’αΌαααΈααΌααα½α α ααααΌαα‘αΎα ααΆααΌα
ααΆαα·αααΌα α
αΆααααΆαααααΆα ααα»αααα αα
αααααα α’ααααα·αααΆ α
ααααΈααΆααααααΎααααααα½ααα ααΆααααα
αααΎαα α’αααααΆαααααΆαααΆα αααααα αααα₯ααΌαααα αα½αααα’αΆα
ααα’αΆα αα·α ααΎα ... |
And we get a lot of feedback all along those lines. This clearly was helping people. But then, as the viewership kept growing and kept growing, | α αΎα ααΎαααα½αααΆαααΌα ααα·ααααα ααΆα
αααΎα αα»ααα·ααααα α
αααΆααααΆαα ααΆααΆααα½α ααα―αα ααα»αααα αααααΆαα ααΈα’αααααΎα ααΎαα‘αΎα α
αααΎααα
α αααα»α α
αΆααααααΎα ααα½α αα·αα·α ααΈααα―α α αΎαααΆα
αΆααααααΎα αααα αΆααααΆαααΆααα
αααΆαα ααΆ ααΆααΎαααΈααΆ ααα’αααααΆαα αααααααΆααααΆ ααΆααααααααααααΈ ααΈαα·αα·ααα½α αααα»αα
αααα αα·αα·αααΆααα‘αΆαα |
"My 12 year-old son has autism and has had a terrible time with math. We have tried everything, viewed everything, bought everything. We stumbled on your video on decimals and it got through. | " ααΌααααα»α α’αΆαα» α‘α’ ααααΆα αααααααα»α ααΆα ααααΊαα½αααααΆα ααΈααααΎα α αΎα ααΆααααα αΆ ααΆααααΆαα ααΆαα½αααα·ααα·ααααΆα ααΎαααΆα ααααΆααΆαααααααααΆα ααΎα αα·α αα·α α’αααΈα ααΆααα‘αΆαα ααΎαααΆααααααααΎα ααΈααα’αΌααααα’ααα α’αααΈ αααααααΆα α αΎαα
αΆααααΎαααΆ αααααΆαααα ααΎααα
αααααΆα ααααα½αα’αα ααααΆα
αααα ααΆααααΈααααααα ααΆααααα½αααααΆαα ααΎαααααΎα αααα·αααΏααα ααΆααααΈαααΆα ααααΆααααΆαα... |
But I was excited, so I kept going. And then a few other things started to dawn on me. That, not only would it help my cousins right now, or these people who are sending letters, but that this content will never go old, that it could help their kids or their grandkids. | ααα»αααα αααα»α ααΈαααΆα α αΎα ααααααααΎα α αΎααααααΆαααα ααΏαααΈαααΈ α
αΆααααααΎα α’αααααααΊ αααααα»α α αααααΊ αα·αααααΆααααα’αΆα
αα½αααααα’αΌαααΈααΌααα½ααααα»α αα
αααα₯ααΌαααααα α¬ α’αααααΆααα’αααααααααΎααααα»ααα ααα’αααααα»α ααα»αααα α’ααααα ααΆαααααααΉα αα·ααα
ααΆα
αΆαα αααααΆα’αΆα
αα½αααα ααΌαααααααα α¬ α
α
α ααααααα ααααα·αααΎ Issac Newton α’αΆα
ααααΎ ααΈααα’αΌ YouTube α’αααΈ ααα·α α... |
"We use your videos to flip the classroom. You've given the lectures, so now what we do ... " and this could happen in every classroom in America tomorrow, | " ααΎαααααΎααααΆαα ααΈααα’αΌ ααααα’ααα αα ααααααααααΆααααα α α’αααααΆαααααα ααΆααααααα α’ααα
αΉαα’αααΈαααααΎαααααΎ ..." α αΎααααα’αΆα
ααΆαα‘αΎα αααα»αααΆαα ααααΆααααα αα
α’αΆαααα·α ααααααα’αα |
" ... what I do is I assign the lectures for homework. And what used to be homework, I now have the students doing in the classroom." | "... α’αααΈααααααα»αααααΎαααααΊ ααΆααα’αα ααΆααααααα ααααΆααααΆ αα·α
αα
ααΆαααααα α αΎα α’αααΈαααααααΆαααα ααΆαα·α
αα
ααΆαααααααα α₯ααΌα αααα»αα’ααααΌααα·ααα ααααΎαα
αααα»αααααΆαααααα " αααα»α α
ααααα’αΆα αααααααααααααα |
I want to pause here for a second, because there's a couple of interesting things. One, when those teachers are doing that, there's the obvious benefit -- the benefit that now their students can enjoy the videos in the way that my cousins did. They can pause, repeat at their own pace, at their own time. | αααα»α α
ααααα’αΆα αααααααααααααα αα½α αα·ααΆααΈ ααΈααααα ααΆααΆαααΏαααααα½αα’αα α
αΆααα’αΆαααααα ααΈα ααΈ ααααααααα αα½α αα
ααααααααααΌ ααΆαααααααααΎα’ααα
αΉα ααΆααΆααααααααααα αααΆαααΆααα
αααΆααααΆαα αααααααααα αααα₯ααΌα ααΌααα·ααα αααααα α’αΆα
ααΈαααΆα ααΆαα½ααα·α ααΈααα’αΌ ααΌα
αααααααα’αΌαααΈααΌααα½α αααα»ααααα αα½αααα’αΆα
ααα’αΆα ααΆαα‘αΎααα·α αα
ααΆαααααΏα αααααα αα
ααΆααααααααΆ αααα... |
10 in a row, you move on. But it's fundamentally different than what's happening in classrooms right now. In a traditional classroom, you have a couple of homework, homework, lecture, homework, lecture, and then you have a snapshot exam. | α‘α ααΆαααα α’ααααααααα
αα»ααααα ααα»αααα ααΌαααααΆα ααΆαα»αααααΆααΈ α’αααΈαααααΎαααΆαα‘αΎα αα
ααααΆαααααα₯ααΌααααα αα
αααα»α αααααααααΆααααααΆααααα α’αααααΆα αα·α
αα
ααΆααααα ααΈα ααΈ αα·α
αα
ααΆααααα ααΆααααααα αα·α
αα
ααΆααααα ααΆααααααα α αΎααααααΆαααα α’αααααΆα ααΆαααααα ααααΈαα½αα α αΎαααΆααααααααα αααααΆα’αααααα½αααΆα α§α ααΆααα α¨α ααΆααα α©α ααΆααα α¬ α©α₯ ααΆααα ααααΆααααα αααα... |
Further down, you start getting into algebra one, algebra two, a little bit of precalculus. And the idea is, from this we can actually teach everything -- well, everything that can be taught in this type of a framework. So you can imagine -- and this is what we are working on -- is from this knowledge map you have logi... | Precalculus ααααα·α
ααααα½α
α α αΎααααα·ααααααΊ α
ααααΈααα ααΆααα·ααα
ααΎαα’αΆα
αααααα α’αααΈαααΆααα’αα ααΊ α’αααΈααααα’αΆα
ααααααααΆα αα
αααα»ααααααααα α’αααα’αΆα
ααααα α αΎααααααΆα’αααΈααα ααΎααααα»αααααΎ ααΊ α
ααααΈ αααααΈ α
ααααααΉα ααα α’αααααΆααααα (logic) α’αααααΆα ααΆαααααα αααααα·ααΈ αα»αααααΌααα α’αααααΆα ααααααααα α’αααααΆα α αααα ααΆααααΌαααααΆα ααααα·αααΎα’αααα
αα ααα αα·α ... |
Now I come from a very data-centric reality, so we don't want that teacher to even go and intervene and have to ask the kid awkward questions: "Oh, what do you not understand?" or "What do you do understand?" and all of the rest. So our paradigm is to really arm the teachers with as much data as possible -- really data... | α₯α‘αΌα αααα»α ααααΈ ααΆαααΆααααΆαα αα ααΆααααααααΎαα·αααααα αααα»α ααΌα
αααα ααΎααα·αα
ααα’ααααααΌ ααΌααααΈαααα
α’αααααΆαααα α αΎααα·α αα
αα½α ααααα ααΌααααα½α αααααα: " α’αΌ ααΌαα’αααααα’αΈαα ? " α¬αα " ααΌααααα’αΈαααα? " αα·α α’αααΈα αααααααααα ααΌα
αααα ααααΌααααααΎα ααΊααΆααΆα α’αααΆαα½α αα·α ααααΌ ααΆαα½ααα·α ααΆααααα’αΆα
ααααΎαα
ααΆα ααΆααα·ααα
αα·ααααααααα αα
ααααΎαααααααα·αααααΆα... |
I've seen some things you're doing in the system that have to do with with motivation and feedback -- energy points, merit badges. Tell me what you're thinking there? Oh yeah. | αααα»αααΆαααΎαα’αααΈαααααΆαααα α’ααααααα»αααααΎαα
αααα»ααααααααα ααΆαααααααααΌαααααααΎ ααΆαα½ααα·α ααΆαααΎαααΉαα
α·ααα αα·α α’ααααααα α
ααα»α
ααΆααα ααααΆααααααΆ αα»ααααααααα· ααΎα’αααα’αΆα
ααααΆαααααα»αααΆααα α’ααααα·ααααΆαααΌα
ααααα
αααααααα ? α’αΌ ααα αα ααΎαααΆα αααα»αα’ααα
αΆααα ααααΎααΆααα
ααΎααΆα α αΎααααα»αα
αααααααΆααα’ααα
αααΆαα ααΆαα·αααα ααΆααααααα»ααααααα αααα»ααα
ααααααααΎ ααΈα... |
Los Altos, it was kind of crazy. Once again, I didn't expect it to be used in classrooms. Someone from their board came and said, | Los Altos ααΆααΌα
ααΆαααα½αα ααΆαααΆααααΈααααααα αααα»ααα·αααΆαααααΉαααΆ ααΆααααΌαααΆαααααΎ αα
αααα»α ααααΆαααααα ααΆαααααΆαα ααααΈαααα»αααααΉααααΆαα·ααΆα ααΆααα α αΎα αα·ααΆα |
"What would you do if you had carte blanche in a classroom?" And I said, "Well, I would just, every student work at their own pace on something like this and we'd give a dashboard." And they said, "Oh, this is kind of radical. | "ααΎα’αααααΉαααααΎαααα
ααααα·αααΎα’αααααΆααααα Blanche αα
αααα»αααααΆααααααα½α?" α αΎααααα»αααΆααα·ααΆαααΆ "αααα»αααΉα ααααΆαααα ααΆαααα·αααααΆααα’αα ααααΎαα·α
αα
ααΆα αα
ααααΏα ααααααααααΆαααααα½α αα
ααΎα’αααΈαααααΆα ααΌα
ααα α αΎα ααΎαααΉαα’αα ααααΆααααααααα" α αΎααα½αααααΆααα·ααΆαααΆ: " α’αΌααααααΆααααααααααΆαααΌααααΌααΆαα ααΎαααααΌααααα·αα’αααΈααΆα " α αΎααααα»α α αΎααα·α αααα»αααΆααααΌα α αΆ... |
"They're never going to want to do this." But literally the next day they were like, "Can you start in two weeks?" | "αα½ααα αα·αααα αα·α α
ααααααΎααααααααα" α ααα»αααααα
αααααααααΆαα αα½αααα αΆααααΌα
ααΆ "ααΎα’αααα’αΆα
α
αΆααααααΎα αα
αααα»αααΈααααααΆα α ααΆααα?" |
So fifth grade math is where that's going on right now? It's two fifth grade classes and two seventh grade classes. And they're doing it at the district level. | ααΌα
ααααααα·ααα·ααααΆααααΆααααΈααααΆα ααΊααΆα’αααΈαααααΉα αααα»αααΎαααΆαα‘αΎα α₯α‘αΌαααααα? ααΆααΆ ααααΆααααΈααααΆα ααΈα αα·α ααααΆααααΈααααΆαααΈα ααΈα αααααα α αΎααααααα»αααααΎααΆαα
ααααΆαα αααααΆααα αααα»ααα·αααΆα’αααΈααααα½αααααααΎα ααΊαα½ααα α₯α‘αΌαααα α’αΆα
α’αα»ααααααΆα αααααααΆαααααα ααΆαα·αααα ααΆααΏααααααα»αααΆααΆαα α ααΌααααΈαααα
ααααΈααααΆαα ααΎαααΎα ααααααααααααα»αααααΎα α αΎαααΎαα’... |
SAL KHAN: So first of all, I just want to thank Elon for coming - hungry. | ααΆα ααΆαααβ ααΆααααΌα αααα»αα
αααααααα’ααααα»αβ ααα α’αα‘α αααααΆααα - ααααΆαα α’αα‘α ααΆααα ααααΉαααααΌα α αΎαα ααΆαα α’ααααα·αααΆα ααΆααααΆα α’αΆα αΆα αααααααΆα
ααα α αΎα ααΎααα·αααΆααααΆα α’ααα’αααααΆαα» ααΆαααααΉαααααΌα ααα α’αα‘αα ααΌαααα ααααα ααΊαα ααΆαα α’αΌ ! α’αααα α α’αα‘αα αααα»αααΎαααααααΈ αααα
ααα Tesla αα
ββββββFremont. ααΆααβ ααα? ααΆαα’αααΈαα»α α¬ ? |
[LAUGHTER] ELON: There's always something wrong. | (ααΎα
) α’αα‘αα ααΆαααααααΆα α’αααΈαααααΆα αα»αα αΎα α ααΆαα ααΎα’αααααααΌααα α
αΌαα
α·ααα α’αα‘αα αα
ααααα½αααα ααΉαααααα ααΆαα’αααΈαα½ααα»α ααΆαα ααααΌαα αΎα α’αα‘ααβ ααΈααααα ααΆαααΏα ααΆα
αααΎα αααα»ααααα α ααΆαα ααα α α’αα‘αα ααΌα
αααα ααΏααα½α ααα ααααΆαα αααα»α α’αααΈα‘αΆα ααΊααΆ ααΆαααααααααα‘ααα ααΆααααΆαα ααΆαααααα ααΆααααΆαα αα»ααααααΆ α α αΎααααααΈ αα½ααααα»αα
ααααααα ααΆαα α’αααα... |
"Look, you've got to airfreight some of these cables - some of these little cables - to us." And we talked to their US subsidiary, and ordered them from the US subsidiary, who then communicated with [the supplier in] | "ααΎααα ααΎαααΆα αααααΎ αααααααΆααααα ααΆα ααΎαααααα αα" ααααα ααΌα
α αα½αα
ααα½αααα -- ααααΆααααΎα" α αΎαααΎα αα·ααΆααα
ααΆαα αααα»αα αα»αα
ααα»α αααααα αα
α’αΆαααα·α α αΎα αααααΆαα·αααΈαα ααΈαααα»αα αα»α α
ααα»ααα
α’αΆαααα·α ααααααααΆαααα ααααΆααααααααΆαα½α [ α’ααααααααααααα αα
] α
α·α α ααα»αααααααααΆαααα ααΈααααααααβ ααΆααααα»ααα α
αααα αα½αααα -- ααΌα
αααα ααΆααΌα
ααΆ ααΆα αααααΆ... |
And these things are, happening, like, all the time? - or this is an unusual circumstance? I guess I mean that's a really good example because that kind of leads into what I've always been fascinated by a lot of what you're doing is well I guess I will start with how did you get into this? | α αΎαααΆαααααααΊ ααΎαα‘αΎα ααΆαααααβ ? α¬ ααα ααΆααΆα:ααα: αα·αααααααΆ ? α’αα‘ααβ αααααΌα
ααΆα§ααΆα ααααα½α ααα»αααα ααΆαα’αααΈα ααΆα
αααΎαααα ααΌα
ααααααα ααΆααβ αααα»ααα·α αααα»αααΆααααααΆ αααααΆα§ααΆα αααααα’ ααΈααααα ααααααααα ααΆααΆαααααΌααα
α’αααΈααααααα»αααααα α
αΆααα’αΆααααααααΆααααΆαα ααΊα’αααΈαααα’αααααααΎ ααΆαααα’ααΆαα α αΎααααα»α αα·αααΆ ααΉαα
αΆααααααΎαααΆαα½α ααΎα’αααααααΎαααΆααααα
... |
That entire set of 23 human chromosomes is called a genome. The human genome is composed of 3 billion base pairs. | ααααΌαααΌααΌαααααααα»αααααΆαα 23 ααΌ ααα α
ααΆ genome genome ααααααα»ααα ααααα‘αΎαααα 3 ααΆααααΆαααΌ ααΌαααααΆα |
Variation at a single base pair is called a SNP, or single nucleotide polymorphism. | ααΆααααααααα½ααα ααΌ ααΌαααααΆαααΆαα½αααα α
ααΆ SNP α¬ ααΆαα»ααααΌααααα α»αααααΆααα½α |
When the body makes new cells, it doesn't make many mistakes, but nobody is perfect. Sometimes, when the genome is copied, to make a new cell, a single base pair gets lift out, added, or substituted. Single base pair substitutions create SNPs. | αα
αααααΆαααΆαααΎα ααα·ααααα·ααΆααααΈ ααΆαα·ααααααΎαααα α»αα
αααΎααα ααα»ααααααααααΆαααααΆααααΆαα α₯αααα
ααααααα ααααααα αα
ααα genome ααααΌαααΆαα
ααα ααΎααααΈαααααΎααααα·ααΆααααΈ αααα·ααΆααΌαααααΆααα½αααΌ ααΆααα
αααα
αααα
αΌαααααΈ α¬ααααααΌαααΆααααα½α ααΆααααα½α ααΌαααα·ααΆααΌαααααΆα αααααΎαααΆαααΆ SNPs |
There're around 10 million SNPs in the human genome, which account for many of the genetic differences between you and everyone else on the planet. | αα
αααα»α genome ααα»αααααΎα ααΆααααα ααααΆ 10 ααΆα SNPs αααααα½ααα»αααααΌα ααααΆααααΆααααΆααα»αααααΆαααα α αααα αααΆαα’ααα αα·α α’αααααααααααΎααααα |
Some SNPs account for differences in appearance, others can affect how we develop diseases, or respond to drugs. | SNPs αααααααααα½ααα»αααααΌα ααααΆααααΆααα»αααααΆ αα ααΌαααααα: |
Most SNPs, however, seemed to lead to no observable differences between people at all. Since variance are passed down from one generation to the next, the number of differences between your DNA, and your neighbors can tell you how closely you're related to each other. | α―αααααα α’αΆα
ααα₯αααα·αααααααΆααα·αααααα ααααααΊ α¬ ααααΎααα αα
αα·αααααΆαααααΆααΆα αααΆαααΆααααα SNPs ααΆαα
αααΎα α αΆααααααααα
ααΆααα»αααααΆααααα·αα’αΆα
α’αααααααΆαααΆααααααα αααΆαααα»ααα αααααΆαααααΆααααααΌαααΆαα α»α
ααααα ααΈααααΆαααα½ααα
ααααΆαααα½α α
ααα½αααααΆααα»αααααΆαααΆα DNA ααααα’ααα αα·α α’ααααα·αααΆαααααα’ααα α’αΆα
ααααΆααααΆαααΆα’ααα αα·α α’ααααα·αααΆαα’ααα ααΆαααααΆαααααα ... |
Wikipedia is one of the most important website on the Internet today | ααααααααβααα αα·ααΈααΈααΆ ααΊβααΆβααα·αααααβααααΆααβαα½αβαα
βαααα»αβα’ααΈαααααα·α ααβα’αααβααΉαβααΆαβα’αΆααααααα
αααααβαα
βαααβαααβααΈβααΆ |
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