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Hello there.

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

Root 2

Root 2

The square root of two is a fascinating number with a long and sordid history. It also forms the basis of most office paper, such as A4, A3, etc.

This video features Professor Roger Bowley and Dr James Grime.

3/4 and Kleiber's Law

3/4 and Kleiber's Law

17 and Sudoku Clues

17 and Sudoku Clues