“Ayn Rand described something like this in Atlas Shrugged, and it was indeed, a government “project” eventually used against our own citizens. “
Wasn’t that Project-X or the ‘Calliope?’
That one did considerably more than heat the moisture in skin....
Betting a passive or active layered shield would deflect or absorb the effect.
...maybe those tinfoil hats weren’t such a bad idea...worked for Magneto...
KYPD
Yes, I believe Rand's device used sound waves. I think they used it wrong and took down a railway bridge across a river (perhaps the Mississippi?)