If light behaves like a wave, what is waving?
Ether Hypothesis
Also see lecture by M. Fowler U. Virginia http://galileo.phys.virginia.edu/classes/252/michelson.html

HeNe LASER

HeNe LASER

HeNe LASER

HeNe LASER

HeNe LASER

HeNe LASER

Dark Matter Search

Question: What tension (to a factor of 10) would be required to propagate a mechanical wave down a wire at one hundredth the speed of light?

Question: What tension would be required to propagate a mechanical wave down a wire at
1/100 th the speed of light?
Suppose 1000m of this wire weights 1 kg
=1000g/1000m= 1 g/m
F=v 2
= (3x10 6 m/s) 2 (10 -3 kg/m)
= 3x3x10 9 mkg/s 2
=10 10 N
=1,000,000 tons(force) www.mcmaster.com
1lb coil of 24guage SS wire 930 feet u=500g/300m=0.6g/m

Flashlet of the MM Experiment! http:// galileoandeinstein.physics.virginia.edu/more_stuff/flashlets/mmexpt6.htm

Question:
What tricks and additions would be needed for the MM experiment to reach the sensitivity to an ether velocity of 30 km/s?
There are at least 5 of them!

Question:
What tricks and additions would be needed for the MM experiment to reach the sensitivity to an ether velocity of 30 km/s?
There are at least 5 of them!
1. Use optical Interference (not timing)
2. Rotate Apparatus – Can’t make both arms exactly same length
3. Long Path length (multiple reflections)
4. Monochromatic Light
5. Very stable device – anchor to bedrock
6. Repeat experiment over course of a year. (why?)
7. Add a piece of glass to arm 2 (so both see same amount of glass)