I Built the Secret 1923 “Death Ray” in my Backyard
So, I came across this old story about a guy named Harry Grindell Matthews, who supposedly invented a “death ray” back in the 1920s. The claims were wild—stopping engines, igniting gunpowder, and even destroying cities. Naturally, I had to have a crack at building it myself. Despite his claims of selling the device, no one truly… Read More