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Hello there.

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

Braids in Higher Dimensions

Braids in Higher Dimensions

Additional information

Braids and the fourth dimension, with Dr Zsuzsanna Dancso.

More videos with Dr Zsuzsanna Dancso: http://bit.ly/dancso_playlist

Extra bit from this interview: https://youtu.be/z39k3qMnSRM

Animation by Pete McPartlan.

The Trinity Hall Prime

The Trinity Hall Prime

When do clock hands overlap?

When do clock hands overlap?