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[–]zyxzevn[S] 1 insightful - 1 fun1 insightful - 0 fun2 insightful - 1 fun -  (0 children)

https://blog.rongarret.info/2019/06/quantum-transitions-take-time-this-is.html

Explains it better:

The way they did it is really cool, but the advance here is an experimental one, not a theoretical one. They used a superconductor to produce a macroscopic quantum system that behaved like an atom in that it had a small number of discrete energy levels that it could transition between. Then they "tickled" this "atom" with microwaves and observed that the resulting response exhibited the kind of interference effects that would be expected if if were transitioning through superposition states. It's very cool, and a very impressive technical achievement, but it is in no way unexpected or surprising.