This is some fun, but with an interesting point. The Metafilter summary reads as follows: "Mike Boyd is a Scottish lad who challanged himself to learn many specific skills. He documents the actual time it takes to 'master' them (or at least achieve a certain milestones of mastery). So far he uploaded 35 videos." Now it's not mastery in the szensze of 'to master physics'. But it's still an interesting experiment in self-learning.
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