Read More 3 minute read Earth History World’s Oldest Manmade “Quasicrystal” Discovered Under Humanity’s First Nuclear Test Site 5:29:45 a.m. local time. Atop a 100-foot (30.48-meter) tower, a metal-coated plutonium device, called “Gadget,” initiated its implosion.… byGil CaparasAugust 19, 2021