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Simon Singh's Numbers Episodes Available now
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Infinity—Five Numbers
Georg Cantor defined infinity as the size of the never-ending list of counting numbers.
The Imaginary Number—Five Numbers
If the square root of +1 is both +1 and -1, then what is the square root of -1?
The Golden Ratio—Five Numbers
The ratio of consecutive numbers in the Fibonacci is close to 1.618, the Golden Ratio.
Pi—Five Numbers
At its simplest, Pi is the ratio of the circumference of a circle to its diameter.
Zero—Five Numbers
Strangely, 'nothing' had to be invented, and then it took thousands of years to catch on.
