video thumbnail 10:12
21-card trick - Numberphile

2018-07-11

[public] 400K views, 11.2K likes, 228 dislikes audio only

channel thumbNumberphile

A simple trick with some neat math behind it. More on Numberphile cards at: http://www.bradyharanblog.com/numberphile-playing-cards

More links & stuff in full description below ↓↓↓

More cards video: http://bit.ly/Cards_Shuffling

This video features Anastasia Chavez: http://anastasiachavez.academia.edu/cv

We did a similar video to this about six years ago with Matt Parker (and 27 cards): /youtube/video/l7lP9y7Bb5g

Numberphile is supported by the Mathematical Sciences Research Institute (MSRI): http://bit.ly/MSRINumberphile

We are also supported by Science Sandbox, a Simons Foundation initiative dedicated to engaging everyone with the process of science. https://www.simonsfoundation.org/outreach/science-sandbox/

And support from Math For America - https://www.mathforamerica.org/

NUMBERPHILE

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Videos by Brady Haran

Additional editing and animation by Pete McPartlan

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Patreon patreon.com
https://www.patreon.com/numberphile