• numberphile
• Pi (Number)
• Martin Krzywinski
• Data Visualization (Industry)
• Golden Ratio (Mathematical Concept)
• numbers

With thanks to Martin Krzywinski and Cristian Ilies Vasile - cool visualisers of Pi.
Pi Visualisations (you can buy them too): http://bit.ly/PiBeauty
Images used with permission.

This video features Dr James Grime: https://twitter.com/jamesgrime

More Pi videos from Numberphile: http://bit.ly/PiNumberphile

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Videos by Brady Haran

Brown papers: http://bit.ly/brownpapers

A run-down of Brady's channels: http://bit.ly/bradychannels