Quantum weirdness encompasses the aspects of quantum mechanics that challenge and defy human physical intuition based on the Newtonian mechanics of classical physics. These aspects include:

• quantum entanglement;
• quantum nonlocality, referred to by Einstein as "spooky action at a distance"; see also EPR paradox;
• quantum superposition, presented in dramatic form in the thought experiment known as Schrödinger's cat;
• the uncertainty principle;
• wave–particle duality;
• the probabilistic nature of wave function collapse, decried by Einstein, saying, "God does not play dice".

Many attempts have been made to construct an interpretation of quantum mechanics assigning a meaning to the laws of quantum mechanics in terms of an intuitively acceptable model. The so-called Copenhagen interpretation basically holds that the laws are as they are and need no interpretation in such a model.

See also

• Bell's theorem
• Renninger negative-result experiment
• Wheeler's delayed-choice experiment

References

• William J. Mullin (2017). Quantum Weirdness. Oxford University Press. ISBN 978-0-19-879513-1.