Quantum tool opens door to uncharted phenomena

Entanglement is a quantum phenomenon where the properties of two or more particles become interconnected in such a way that one cannot assign a definite state to each individual particle anymore. Rather, we have to consider ...

Acquitting a physicist accused of 'obscurantism'

American-born British theoretical physicist David Bohm made many significant contributions to physics. But he's most famous for challenging convention and interpreting quantum mechanics in terms of nonlocal or hidden variables. ...

Why Einstein must be wrong: In search of the theory of gravity

Einstein's theory of gravity—general relativity—has been very successful for more than a century. However, it has theoretical shortcomings. This is not surprising: the theory predicts its own failure at spacetime singularities ...

Do measurements produce the reality they show us?

Whenever the precision of a measurement approaches the uncertainty limit defined by quantum mechanics, the outcomes of the measurement depend on the dynamics of the interactions with the meter used to determine a physical ...

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