a: visible light ~
b: 3 middle keys of a piano
What:
"A useful analogy: visible light is like playing only the 3 middle keys of a piano."
Useful?
Writer: Not Stated
LCC:
Where:
Date: Feb 13 2015 10:47 AM
# 7315 Critique Analogy
"A useful analogy: visible light is like playing only the 3 middle keys of a piano."