Thursday, 19 September 2013

Reflecting light using C.D.'s




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2 comments:

  1. Unknown19 September 2013 at 18:31

    I wonder if most of them were wondering what a CD was. :)

    ReplyDelete
  2. Unknown19 September 2013 at 18:31

    I wonder if most of them were wondering what a CD was. :)

    ReplyDelete

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