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I need information about vacum chem

  1. Oct 5, 2011 #1
    hello all

    i need to build my own vacuum chamber any references i build one but it is not working ...

    want your help and experience in it
  2. jcsd
  3. Oct 5, 2011 #2


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    Your post is vague. First of all, what vacuum level do you intend to have? Having something down to the level of 1 torr is different than having it down to 10^-10 torr.

  4. Oct 6, 2011 #3
    i want about 10^-6 torr

    and about that question that you give me a warring about ( the heat driving fan)

    i was asking about the name of the physical effect that used in solar sail
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