Sashko Olenchenko is doing a masters in mathematical physics with a sideline making videos on YouTube - occasionally interrupted by drone attacks from Russia.

Here is his YouTube channel - https://www.youtube.com/@aremathukr

And you can support his work on Patreon - https://www.patreon.com/Aremath

The YouTube version of this podcast has captions available - https://youtu.be/Nd813Dg93Bs

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Numberphile is created by Brady Haran