bouncing water droplets

October 19, 2010 at 8:32 am | | nerd, wild web

Fun video:

For your Tuesday.


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  1. Science can be poetry in (slow) motion. Thanks for posting that. Love, Mom

    Comment by Denise Lord — October 19, 2010 #

  2. thanks, ma.

    Comment by sam — October 19, 2010 #

  3. …and I thought carbon nanotubes were only used to fight cancer.

    Comment by wm — October 19, 2010 #

  4. LOL

    Comment by sam — October 19, 2010 #

  5. very pretty, but mercury does it too and on regular surfaces – and it is shiny!

    Comment by milkshake — October 20, 2010 #

  6. The single-ball U-shaped part made me wonder about friction in the system. We all know that in a frictionless system, a ball of water would always roll up to the same height on the U, every time. But because of friction each time up it doesn’t get as high, until it stops.

    Is the friction primarily between the ball and the carbon nanotubes, or is it primarily viscous dissipation due to the non-rigid nature of water (it’s a liquid after all)…?

    Comment by Curt F. — October 25, 2010 #

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