>>7443159I mean, I'm no physicist, there's a lot of science in that box. I can't tell you exactly why a microwave works the way it does, but I do know that things like wrinkly leaves (kale/spinach) will spark and catch fire like a fork, while the smooth metal walls inside are totally fine.
I don't know, if it got through advertising regulations with that label I'm sure it's fine, somehow.