principlesentwined's Channel - YouTube

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6,707 video views

3:39

3 months ago

The Physics of Slingshots, with Jörg - Smarter Every Day 31

Yep, I went to Germany. Click http://on.fb.me/JorgIsSmart to share this with your friends please Can I get a thumbs up or something?

Many are...

destinws2 • 186,359 views

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About principlesentwined

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principlesentwined

Latest Activity

Nov 22, 2011

Date Joined

Oct 25, 2008

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Age

57

Country

Australia

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