h a l f b a k e r yWhy on earth would you want that many gazelles anyway?
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Should keep the office 'Newton's balls' fans happy for a
while now that the swinging metallic spheres have
been
replaced with bouncy Polybutadiene power balls.
Bouncy Balls
http://en.wikipedia.org/wiki/Bouncy_ball
Swing these [skinflaps, Mar 21 2012]
Newton's cradle
http://en.wikipedia...nimation_book_2.gif
Sir Isaac Newton's version [skinflaps, Mar 21 2012]
[link]
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Steel balls will keep swinging much longer. |
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whatever! thought this would be about cat cradle... |
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hey, when are you coming to see us? |
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Rubber deforms far more than steel does, absorbing more
energy with each impact. That is, in fact, why it is
frequently employed as an impact absorber. There's also
the issue of weight and momentum. |
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<sticks tongue out at [po]> Nyeah! |
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Just place it next to a wall. |
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