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Hello there.

This is Numberphile. We mainly post videos about mathematics and just numbers in general.

Floating Balls and Lift

Floating Balls and Lift

Brady Haran
Tadashi Tokieda, Physics
Tadashi discusses pressure and lift... with a toy of course! More links & stuff in full description below ↓↓↓ Lift and wings on Sixty Symbols: https://youtu.be/PF22LM8AbII Tadashi Playlist: http://bit.ly/tadashi_vids You can buy version of this toy on Amazon: https://amzn.to/2MLfpSC (affiliate link) 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.

Additional information

Lift and wings on Sixty Symbols: https://youtu.be/PF22LM8AbII

Tadashi Playlist: http://bit.ly/tadashi_vids

You can buy version of this toy on Amazon: https://amzn.to/2MLfpSC (affiliate link)

The Six Triperfect Numbers

The Six Triperfect Numbers
The Slightly Spooky Recamán Sequence

The Slightly Spooky Recamán Sequence