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date: 2018-05-08
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Computerphile has some brilliant educational videos on computer science, like [a demo of SQL injection](https://www.youtube.com/watch?v=ciNHn38EyRc), [a toy example of the lambda calculus](https://www.youtube.com/watch?v=eis11j_iGMs), and [explaining the Y combinator](https://www.youtube.com/watch?v=9T8A89jgeTI).