Thermodynamics. How Does It Work?

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Thermodynamics. How Does It Work?
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From the submitter:

"I was looking at an appraisal and noticed that someone put a window air conditioner in the corner of the room. Sure, it will work for a while, but I guess they didn't read the directions!"

I'm Exhausted

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I'm Exhausted
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Exhausted from trying to figure out what this is, exactly!