The reality of quantum fluctuations was proven back in 1947

The reality of quantum fluctuations was proven back in 1947

If you spend enough time listening to theoretical physicists, it starts to sound like there are two separate worlds that they inhabit. The real, experimental-and-observational world, full of quantities and properties we can measure to high precision with a sufficient setup. The theoretical world that underlies it, full of esoteric calculational tools that model reality, but can only describe it in mathematical, rather than purely physical, term…