Relativity/Experts

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2012-01-28 relativity/quantum mechanics:

The space in between atoms is just there.  It does not collapse, because there are forces that prevent two electrons from getting too close together. It is the electrostatic force that makes like charges

2012-01-28 relativity/quantum mechanics:

The size of an object is determined by the combination of the forces that keep atoms separated but at a certain distance.  There is a long range force that keeps them together and short-range force that

2012-01-25 Special Relativity:

Of course, Samir.    If an object of (rest) mass m is subject to a constant force, you are correct in that the acceleration is not constant.  It decreases as v nears the speed of light.  (We used to say

2012-01-20 General Relativity:

Seamier, you have raised a deep question.    Every explanation shifts the question. No matter what explanation is offered, the questioner can always ask for a deeper explanation. The process stops only

2012-01-12 Twins:

Yes, Elena.  Compared to the brother at the north pole, the other will be older.    There are two effects. The speed of a point on the equator makes time go slower, but a greater effect because of the

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