The next major shift in military technology might not look like a stealth fighter or a hypersonic missile. It could look like a laboratory full of scientists trying to control particles so small and so strange that they can exist in two states at once, and the U.S. Air Force just paid one of its […]

The U.S. Air Force has asked American rocket companies for their best ideas on an engine that could let a single missile take off like a rocket, cruise like a jet, and skip the giant fuel tanks that usually make that kind of flexibility impossible. The Air Force Research Laboratory’s Rocket and Space Propulsion Division, […]