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I've been experimenting with this for years......

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    I've been experimenting with this for years......

    http://www.telegraph.co.uk/news/uknews/8015180/MI6-used-bodily-fluids-as-invisible-ink.html

    #2
    UV shows them, invented during WW v1 I believe...

    Comment


      #3
      Hey. What a good idea, you are a LUNATIC!!!!!!!!!!!!!!!!!!
      bloggoth

      If everything isn't black and white, I say, 'Why the hell not?'
      John Wayne (My guru, not to be confused with my beloved prophet Jeremy Clarkson)

      Comment


        #4
        bdsm?

        Comment


          #5
          You humans are a funny lot. We alien lizards have been using ink as bodily fluids for aeons.

          Comment


            #6
            You are taking the p*ss, and I claim my £5.

            Comment


              #7
              Nah this is taking the p1ss

              Urine a candidate for energy independence - Hack a Day
              Always forgive your enemies; nothing annoys them so much.

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