Scientific Tuesdays - Make invisible ink from milk?!

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! Serious Business Inquiries Only: Contact us at: https://www.youtube.com/c/householdhackertv/about (email address at the bottom) -~-~~-~~~-~~-~- Click here to see more videos: https://alugha.com/producer/1cd8bf94-efde-11e7-bce6-0b10636106ac -~-~~-~~~-~~-~-

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AA Battery + Gum Wrapper Lighter

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Quick & Simple Holiday Life Hacks

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