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Video Demo: Expanding Soap

Ivory soap has air whipped into it during the manufacturing process, creating tiny holes with minuscule water droplets inside.  When microwaves hit the water, it vaporizes and expands it, causing the bar of Ivory soap to expand.  

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Reader Comments (1)

Ivory works great - but Irish Spring is the best! It cools and solidifies in form much better, and can be used as soap in the classroom afterwards.

October 24, 2010 | Unregistered CommenterBois Gui

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