When U.S. diplomats began mysteriously falling ill in Havana in 2016, scientists were perplexed by the cause. Until they realized that the cause was probably a microwave weapon that bathed the target in deadly radiation.
Now the U.S. military wants a sensor that will alert soldiers when they are being attacked by microwave weapons. Because soldiers may not even realize they are under attack by a beam that is invisible to the eye, but painfully apparent to the brain.
