February 26, 2017

Homework Help: Physics

Posted by sherri on Wednesday, April 21, 2010 at 1:32pm.

A friend asks for money to market a new product he invented. He claims to have invented a "cold plate" that works like a hot plate and will cool down foods and liquids that are placed on it. Should you invest??

Should I be thinking about the second law of thermodynamics here?

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