Aviation start-up’s self flying, hydrogen-powered plane takes to the sky after raising $55m
“The second point is in the Hindenburg disaster, nobody died from hydrogen fire. The hydrogen fire was quick and rapid. Half ...
Russia is secretly developing a petrifying new weapon
How Russia plotted to mix a deadly new weapon among decoy drones in Ukraine - At a secretive factory in Russia’s central grasslands, engineers are manufacturing hundreds of decoy drones meant to ...