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Hello there.

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

Borromean Ribbons

Borromean Ribbons

Tadashi Tokieda is talking about Borromean links again - this time using ribbons.

More Tadashi videos: http://bit.ly/tadashi_vids

Knots: http://bit.ly/Knot-a-Phile

Video by Brady Haran and Pete McPartlan (animations by Pete)

Music by Alan Stewart

The Fields Medal (with Cédric Villani)

The Fields Medal (with Cédric Villani)

Let's Talk About Sets

Let's Talk About Sets