The only way to collapse the wave function (and retroactively force the isotope to have decayed or to have not decayed) is to open the box and find out. This is pretty embarrassing.

The wave function is a mathematical description of the external attributes of a particle: its position, momentum, and rotational characteristics.

The fuzzy quantum shape that describes the speed or location of a single particle, its wave function, has now been directly measured in the laboratory, giving this mathematical concept a small ...

Just two years ago, with the advent of a technique called direct measurement, scientists discovered they could reliably determine a system’s wave function by “weakly” measuring one of its ...

(via Sabine Hossenfelder) Physicists think that our universe started out as just a lot of quantum fluctuations. That means, if you’re able to calculate wave-function of those quantum fluctuations, you ...

Weird science There's a long, long history of puzzled physicists showing that the wave function must be a bizarre object. Quantum entanglement is a direct result of the properties of the wave ...

Here's where Dublin-based Equal1, founded by experts in quantum physics and semiconductors, aims to democratise quantum ...

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