a: speed of sound ~
b: speed of your car
What:
"The speed of sound is like the speed of your car. It is not a fundamental quantity of Nature. You can change it at will (you can change the speed of sound by heating up the gas for example)."
Useful?
Writer: Dr. Louis Leblond
LCC:
Where:
Date: Oct 28 2015 6:19 PM
# 9156 Critique Analogy