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>Newtonian physics were the laws of physics once.

They still are, but they are not complete. So these laws have not changed, but new laws have been added.

>Well indeed, if the relativity were...

A theory is true as long as an experiment or other theory proves that the theory is false. History shows that physics theories are continuus being corrected or completed.

It was quite safe to say...

>Then e=mc^2 is not correct. As mass changes but energy can
>not. (provided the speed of light is independant of gravity)

Also energy can change. Note that also in classical mechanics that's a...

>I just odn't see why travelling at high speeds will be relative to
>the time. They are seperate things, also, time is abstract. You
>use time and speed to calculate the distance.

Not only...

So you think that time doesn't have influence on the biological system? I think your body is a physical object which is ruled by laws of physics and therefore I think that if you reach high speeds...

There's not much math required to understand special relativity. Even performing calculations with relation to special relativity can be quite easy, at least in easy situations.

I don't know, perhaps go faster than light? I remember reading that it is impossible for a subject to be at speed of light, but it seems not (theoretically) impossible to be faster than light.
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According to general relativity, gravity is the cause that space is bowed positive or negative, so it does not directly affect light, but light follows space and so it seems gravity is affecting the...

>No the twin paradox was that from the Earth's point of view you
>have aged less, but from your point of view the earth has aged
>less.

Yes, that was what Nutshell said.

If I climb into my...

>I have heard AND seen in movies that if you move at light speed
>or at least very very fast in space, and when u come back to
>earth, all other people will be much older than you do.

This is...