BIZARRE spinning toys

Spinning toys and tops have unusual behaviors. The famous tippe top flips itself over and spins on its stem. The PhiTOP stands up on its end, which you can also do with a hard-boiled egg. These behaviors all have to do with torque and angular momentum, like a bicycle wheel precessing around a rope due to gyroscopic behavior.

Defining Gravity with Tim Blais:
https://www.youtube.com/watch?v=yTQyFzTl5GA
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https://www.youtube.com/user/acapellascience

Crash Course Physics:
https://www.youtube.com/watch?v=ZM8ECpBuQYE

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Creator: Dianna Cowern
Writer: Sophia Chen
Editor: Jabril Ashe
Animator: Kyle Norby

PhiTOP:
http://www.thephitop.com

More resources:
http://www.nature.com/nature/journal/v416/n6879/pdf/416385a.pdf
http://iopscience.iop.org/article/10.1088/0031-9120/48/1/51/pdf
http://rspa.royalsocietypublishing.org/content/royprsa/462/2074/2897.full.pdf

Music: APM

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S01E50 - How SMOOTHNESS of a SOCCER BALL affects curve!