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SPOOL RIDDLE - Which way will it roll?

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Can you answer the spool riddle? Special guest Anne Wojcicki joins Physics Girl for the answer(s?!) to the hiker riddle and to hear the next riddle in the series.
First Video: https://youtu.be/BnxG0RqP080

If you liked this video check out these:
Can YOU solve the magnet riddle? ft YouTube CEO Susan Wojcicki
https://www.youtube.com/watch?v=oq6HFcFS2IE&list=PLGO_AWB1C4GTLljYFhX2XUYzKQtMocI_K&index=15
Can you solve the BOWL RIDDLE? ft. Kurt Hugo Schneider
https://www.youtube.com/watch?v=z0JpgEOLezY

Creator: Dianna Cowern
Editor: Jabril Ashe
Animator: Kyle Norby
Thanks to: Anne Wojcicki, the 23andMe staff and Dan Walsh

I first heard this riddle from Derek Muller of Veritasium during a talk he gave. It stuck with me as a fun hands-on riddle to ask in person. Plus he gave me his blessing to use it in a video. He hates riddles anyways.

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Keep up with my less sciencey shenanigans:
INSTAGRAM: http://instagram.com/thephysicsgirl
TWITTER: http://twitter.com/thephysicsgirl
FACEBOOK: http://facebook.com/thephysicsgirl

Next episode
S01E83 - Tricky Spool Riddle SOLUTION - ft Anne Wojcicki
See the episode

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