Contact Aliens: Faster Than Light Speed?

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Gravity may propagate faster than light in the macrocosm, suggesting potential for instantaneous communication. However, according to General Relativity and Special Relativity, faster-than-light communication is generally deemed impossible. The concept of wormholes is introduced as a theoretical means to achieve faster-than-light travel or communication. Wormholes are hypothetical passages through spacetime that could connect distant points in the universe. The discussion concludes with a focus on the limitations imposed by current scientific theories.
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I heard that gravity is faster than light speed in the macrocosm and that subatomic particles react at the same time because of each other. I am wondering if it is possible to contact faster than light speed or immediatly anywhere.
 
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probably not if GR/SR is correct .. only a wormohole might do it.
 
So what is a "wormohole"?
 
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Thread 'The Physics of unloading sand from a barge'

I think it's easist first to watch a short vidio clip I find these videos very relaxing to watch .. I got to thinking is this being done in the most efficient way? The sand has to be suspended in the water to move it to the outlet ... The faster the water , the more turbulance and the sand stays suspended, so it seems to me the rule of thumb is the hose be aimed towards the outlet at all times .. Many times the workers hit the sand directly which will greatly reduce the water...
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