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The light spectrum

Discussion in 'General Gun Discussions' started by waterdog, Mar 12, 2003.

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  1. waterdog

    waterdog Member

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    What can and can't we see (human eyes) and (scientific equipment).

    I read somewhere a long time ago, that our satellites can see or detect a mans watch (the old glow in the dark kind).

    ???

    waterdog
     
  2. Steve Smith

    Steve Smith Moderator Emeritus

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