Lecture Video: Symmetry, Infinite Number of Coupled Oscillators
The mathematical description of “symmetry” is introduced. Prof. Lee shows that the concept of symmetry can be used to solve infinite numbers of coupled oscillators and that the sine waves we see in daily life are coming from translation symmetry.
Chapter 5: Waves (PDF - 1.4MB) (through section 5.2)
Problem Solving Help Video*
|HOW IT'S DONE||SEE IT IN THE LECTURE|
|Bell Labs Wave Machine||@ 00:45:18
Bell Labs Wave Machine
|Vibrating Spring (Hand Driven)||@ 01:09:45
Vibrating Spring (Hand Driven)
* Note: These Problem Solving Help video was originally produced as part of a physics course that is no longer available on OCW.