heat

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Note to self: don’t do the mechanical equivalent of heat lab again. It doesn’t really work that well and there are better labs to do. So, what is the mechanical equivalent of heat lab? It is actually a pretty cool idea. Take and object and drop it. What happens to the kinetic energy the object…

A blanket and cold stuff

There are some really cool questions out there. Questions that do not require a lot to ask and do not require a lot to answer. Here is one such question (I can’t remember where I first found this question or something like it): Suppose you put take two identical cans of soda out of the…

Heat. It’s a four letter word

Heat. You have heard it before. You have used it. I have even used it. Do we need this word? No. Is this a useful word? No. Let me start with the definition as usually stated in a physics type text: (this is from [dictionary.com](http://dictionary.reference.com/browse/heat)) *heat:* a nonmechanical energy transfer with reference to a temperature…