Ring and Chain Trick

Randy Freedman, Associate Director of Educational Programming at the Society of Women Engineers, explains how to use the ring and chain trick as a tool to teach students about the engineering design process.

[@danargumelarinc9660]

Well I'm a mathematical physicist, so I barely don't need to be successful in demonstrating these cheeky stuff to my grandchildren..
What I wonder the most is the geometry and topology..

[@user-so8ir3zi9f]

Nice...

[@gaonkagawar4128]

Owesow

[@AbdulJabbar-dm5qv]

He is not telling how it happens?

[@kiereluurs1243]

Drop the pointless & distracting & annoying music.