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Old 07-17-2010, 07:26 PM   #4
Greg Anos
Grand Sorcerer
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There's a lot of if's and's and but's in the concept of extra-solar travel. (Exploration is only aspect of travel.)

First off, I don't worship at the Church of Einstein. (And modern physics is as much of a theology as a science today.) Why don't I believe in C?

Maxwell's equations. All unified field theories, including Relativity, are build on the base of Maxwell's equations. And inherent in Maxwell's equations is a loophole big enough to drive an 18 wheel truck through. Modern physics treats this loophole like the Wizard of Oz when the curtain was pulled away.

What is this loophole? Maxwell's equations are 4 tensors (I were a T-shirt occasionally with them on it) with 2 boundary conditions! If you fail to meet the boundary conditions, the equation may or may not be valid. They are only valid under when the boundary conditions are met. Here are the boundary conditions.

1. There must be a right handed twist in the electromagnetic waves.

2. c = 1 / square root of (e0 * mu0) (which are the permittivity of a vacuum and the permeability of a vacuum, respectively). This is the hand grenade.

Why? Because instead of treating C as a constant, it treats C as a derived variable. Change the parameters and you change C.

Until 1999, it didn't matter. Nobody knew how to change e0 and mu0. However, with the breakthrough at UCSD of creating a field with negative permittivity and permeability, this loophole has reared it's ugly head. Can you create an artifical field with a e0 and mu0 less than what defines C? If so, what happens when you run a Michaelson Morley test through it? Funny, nobody has tried it...(One test was done in 2004, but they used misaligned receivers to create a surface version of the effect. Since the waves didn't go through a field, it wasn't a valid test of a low e0mu0 field. But it didn't show any increase in the speed of light, so the idea was happily shelved. Without actually truly testing it...)

So there may be a way to increase the speed of light, allowing extra-solar travel. Don't ask me for engineering, this is just theory...(And I'm just covering the high points.)
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