The concept of faster-than-light communication through entanglement is a topic of ongoing scientific investigation and debate. While I can provide you with an overview, it's important to note that there isn't a definitive consensus on this matter within the scientific community.
According to our current understanding of physics, as described by Einstein's theory of relativity, information cannot be transmitted faster than the speed of light through classical means. This limitation arises from the fundamental postulates of special relativity, which include the constancy of the speed of light in a vacuum.
Entanglement, on the other hand, is a phenomenon in quantum mechanics where two particles become correlated in such a way that the state of one particle is instantaneously linked to the state of the other, regardless of the distance between them. This non-local correlation has been experimentally verified and is an established feature of quantum mechanics.
However, it is important to note that entanglement alone does not allow for faster-than-light communication. The process of measuring or manipulating the entangled particles does not provide a means to send information faster than light. This is due to the no-communication theorem, which states that it is impossible to use entanglement to transmit information faster than light.
The no-communication theorem arises because when the entangled particles are measured, the measurement outcomes appear random and unpredictable until the measurement results are compared. This means that any attempt to use entanglement to communicate would require additional classical information, which can only be transmitted at or below the speed of light.
In summary, entanglement itself does not violate relativity or introduce faster-than-light communication. While it is a fascinating phenomenon with non-local correlations, it cannot be used as a direct means of transmitting information faster than light. Current scientific understanding suggests that any form of communication that exceeds the speed of light would require a significant departure from our current understanding of physics.