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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

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