Uploaded July 2019 | Updated September 2026, 2 weeks ago

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Subscribe to the Podcast: goo.gl/CemLaj
Grey: youtube.com/user/cgpgrey
Brady: youtube.com/user/numberphile

Discussion: reddit.com/r/CGPGrey

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## Show Notes:

**Discuss this episode on the reddit: old.reddit.com/r/CGPGrey/**

United Airlines safety video: youtube.com/watch?v=eM0H9rbqusw

Humans Need not Apply: youtube.com/watch?v=7Pq-S557XQU

Soviet Moon Dust: youtube.com/watch?v=MuzF6tmEpko&feature=youtu.be