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

When do clock hands overlap?

When do clock hands overlap?

How often do a clock's minute and hour hands cross? Featuring Cliff Stoll..... See Objectivity at: https://www.youtube.com/c/ObjectivityVideos More links & stuff in full description below ↓↓↓ More Cliff videos: http://bit.ly/Cliff_Videos Cliff Stoll's Klein Bottle store: http://www.kleinbottle.com Numberphile is supported by the Mathematical Sciences Research Institute (MSRI): http://bit.ly/MSRINumberphile We are also supported by Science Sandbox, a Simons Foundation initiative dedicated to engaging everyone with the process of science.

Additional information

How often do a clock's minute and hour hands cross? Featuring Cliff Stoll..... See Objectivity at: https://www.youtube.com/c/ObjectivityVideos

More Cliff videos: http://bit.ly/Cliff_Videos

Cliff Stoll's Klein Bottle store: http://www.kleinbottle.com

Braids in Higher Dimensions

Braids in Higher Dimensions

Aaron Numbers

Aaron Numbers