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

The 8 Queen Problem

The 8 Queen Problem

Our thanks to lynda.com - use our link: http://www.lynda.com/numberphile

Dr James Grime discusses a famous chess problem - placing eight queens "safely" on a chess board.

Extra footage: https://youtu.be/ekMrDknjMFw

What's special about 196?

What's special about 196?

Möbius Knots and Roller Coasters

Möbius Knots and Roller Coasters