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Scientific Tuesdays: Make invisible ink from milk?!

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Uploaded by on Jun 22, 2010

In this episode of Scientific Tuesdays we show how to create a secret message on paper using milk and a simple iron! It doesn't get any easier than this!

Scientific Tuesdays will be on hiatus for a few weeks while we stat on Season 2 for you! But relax! It will be better than ever! Stay Tuned and see you then!

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Top Comments

  • looks like an ass wipe

  • But will it blend?

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All Comments (2,322)

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  • lol can you just put a light over top of it and it will show\?

  • @WulfySky thats what she said

  • Mom: What are you doing?

    Me: Ohh you know... ironing some paper

  • It also works with lemon juice :)

  • @BigSebs Thats a little messed up guy

  • @AZNTHEORY just what i thought

  • good way to send a secret letter to prison to kill someone?!

  • mother of god!!!....

  • does it have to be pasteurized???

  • Lemon acid with works better

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