Energy, Efficiency, and the long road to SBSP

Friday, 2 April 2010 20:29 by The Lunatic

Here’s an old high school physics puzzle, let’s see if you can get the right answer:

You have perfectly insulated room (i.e., no heat can escape).  Inside the room is a refrigerator, plugged in and running – but the refrigerator door is left wide open.

As the refrigerator runs, does the room:
A – get colder
B – get warmer
C – stay the same temperature

Think about it for a minute ... (and yes, I first heard this from my high school science teacher back in the late 70’s)

The answer is ... (drum roll please!) ... More...

Categories:   Economics | Science
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