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...