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Why do sticky substances tend to be shiny?

  1. Oct 22, 2012 #1


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    Any ideas?
  2. jcsd
  3. Oct 22, 2012 #2


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    Staff: Mentor

    First of all - do they?

    Second - we like to see you trying to find the answer before helping. That's part of the policy outlined in the forum rules.
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