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https://youtu.be/NGFhc8R_uO4

Or this presentation which came out way long ago.

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This is worth the (re)watch every time it comes up.
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I thought this video was a lot better than the Veritasium video. The Veritasium video was awkward. I think they tried to follow the formula from the (excellent) blue led video that performed so well, but it just didn't work.
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