Purdue PHYS 342 L12.3: Special Relativity-Introduction: Michelson Morley Experiment

Table of Contents:
00:09 Lecture 12.3: Michelson Morley Experiment
01:01 Wabash River
06:02 What does this example prove?
07:01 Michelson (1881) and Michelson & Morley (1887)
09:15 In principle, the aether could be drifting with velocity vd...
10:51 Michelson-Morely Apparatus (1887)
12:19 A diagram that you can understand
15:04 In what follows, we focus on the orientations Θ=0
15:48 Expected Results Using Galilean Velocity Addition (Θ=0)
17:38 time difference
18:15 Expected Results Using Galilean Velocity Addition (Θ=90o)
19:20 Difference in time shift between Θ=0 and Θ=90o
20:49 Working out the Math
21:36 Putting in some rough numbers
22:25 Simulation (Θ=0) (green first, red second)
24:38 Simulation (Θ=90o) (red first, green second)
27:09 Consequences
28:57 Up Next

Purdue PHYS 342 provides an introduction to the physical principles underlying topics in Modern Physics. This course is intended to provide engineering undergraduate students with a firm base from which they can extend their understanding of the quantum world.

[JasonsMove]

Great video! I like how you used swimming to set up the thinking that’s used in the experiment....What about in 1913 the The Sagnac Experiment using the rotating turn table basically proving eather is real? Also 2004 Wang proving Sagnac was right and Einstein might be wrong?