Speed of light not constant = young universe

[Jenny A]

Do you have a link for this nonsense? Sounds kinda like the arguement that god made the stars with their light already reaching the earth.

http://www.christianforumsite.com/index....ads/38966/

It started out about when jebus was coming back.

Thanks. I think one could go mad on that forum.

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In your metaphysics class light would only travel proportionally faster in the elongated direction if the permittivity and permeability of space in that elongated direction also changed proportionally. You think of light as a constant. It is not. In actuality what appears to be constant speed of light are actually the product of constant factors.....factors which determine the speed of light.....those factors are the permittivity and permeability of space.

Elongate space but keep the permittivity and permeability of space constant and see what happens in your thought experiment.

Yes light is actually a constant. It can appear slower as it travels through dense material like glass or water because it is refracting off the material as it travels through it.

The thought experiment presumed that atoms and light itself would stretch. Thus light would appear constant.

My point however, is that suggesting that light is slowing down without evidence to support it is about as useless an idea as the one proposed in metaphysics class.