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: (email address at the bottom) -~-~~-~~~-~~-~- Click here to see more videos: -~-~~-~~~-~~-~-

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