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Sunday, November 22, 2015

Einstein’s entangled electrons still viable

'Told you so!'     (Public Domain)
Once upon a time, Albert Einstein proposed a theory of quantum entanglement.  To show that this was not just a fairy tale, physicists recently tried to close any loopholes within the initial experiments.

Quantum entanglement basically contends that two particles can “remain connected, even over long distances, in such a way that actions performed on one particle have an effect on the other.”

For example, when two electrons become entangled, one would have an opposite effect upon the other.  If one such electron were to spin in a clockwise direction, the other would then spin in a counterclockwise one.

Back in the day, scientists wondered about three possible loopholes:  Were the sampled particles truly representative of all entangled particles?  Could some lack of free choice be involved?  Could some hidden means of communication be in effect?

During recent experimentation, researchers were able to address these loopholes, using random samples with great distances between the two entangled particles.  As a result, they now agree with Einstein’s somewhat paranormal-sounding predictions about quantum entanglement. 


Copyright November 22, 2015 by Linda Van Slyke   All Rights Reserved

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