First 200 get 20% annual premium membership of Brilliant: https://brilliant.org/Polymatter Thanks to Dave for the video idea! Go watch his excellent startup pitch: https://youtu.be/pVsXf9wH7Q0 Patreon: https://patreon.com/polymatter Twitter: https://twitter.com/polymatters Pins & T-Shirts: https://standard.tv/collections/polymatter Reddit: https://reddit.com/r/PolyMatter This includes a paid sponsorship which had no part in the writing, editing, or production of the rest of the video. Music by Epidemic Sound: http://epidemicsound.com Full list of sources: https://pastebin.com/3LFB2Bqh

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