More Cliff Stoll videos: http://bit.ly/Cliff_Videos
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Our first Borromean Ring Video:    • Borromean Olympic Rings  Numberphile  
Tadashi does Borromean Rings:    • Borromean Ribbons  Numberphile  
Knot playlist: http://bit.ly/KnotaPhile

Numberphile is supported by the Mathematical Sciences Research Institute (MSRI): http://bit.ly/MSRINumberphile

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And support from Math For America https://www.mathforamerica.org/

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