If momentum could be transferred faster than the speed of light, then a mass could be accelerated without an opposite momentum (energy) being transferred to a local mass. This would be a violation of the conservation of energy and the conservation of momentum. However, suppose it was possible to slightly modulate the quantum fluctuations of entangled electrons or entangled photons. No energy would be transferred faster than the speed of light, but it appears that a superluminal message could be sent. Therefore, is there any fundamental reason that a superluminal message cannot be sent between two points in space?