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Quick question need to buy a present!

  1. May 14, 2005 #1
    Hi all,

    I need to get a friend a present and as a physicist I really wana get them the 'science toy' kinda thing ... does anybody know the name for the encased photonic pressure experiment in which a fan shape has one black surface and a mirrored surface. When it placed in the sunlight the fan spins due to the photon pressure.


    Thanks !!!
     
  2. jcsd
  3. May 14, 2005 #2
    Last edited: May 14, 2005
  4. May 15, 2005 #3

    Danger

    User Avatar
    Gold Member

    Try snooping around here . I don't have time to look through the catalogue now, but they used to sell them. I also don't know where you are, so can't help if you're not in North America.
     
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