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41 and more Ulam's Spiral - Numberphile

2013-07-10

[public] 463K views, 8.42K likes, 81.0 dislikes audio only

More on prime numbers and Ulam's Spiral - this time focusing on 41 and Arthur C. Clarke.

More links & stuff in full description below ↓↓↓

This video features Dr James Clewett. More Clewett videos at: http://bit.ly/JamesClewett

See our other Ulam Spiral video at: /youtube/video/iFuR97YcSLM

And more to come soon...

The book discussed is The Garden of Rama.

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generate a simple quadratic expression
/youtube/video/3K-12i0jclM?t=73.57
start by writing down the equation
/youtube/video/3K-12i0jclM?t=145.78
start with the number 41 in the middle of the page
/youtube/video/3K-12i0jclM?t=262.75
scribble a spiral of numbers
/youtube/video/3K-12i0jclM?t=267.54999
draw a circle around the prime numbers
/youtube/video/3K-12i0jclM?t=380.319
the patent for the atomic bomb
/youtube/video/3K-12i0jclM?t=510.70999