The EmDrive Just Won't Die

The controversial thruster's do-or-die moment is quickly approaching. If you have trouble reading this message, view it in a browser.       The EmDrive Just Won't Die   More than 20 years after its introduction, the EmDrive is still being tested in labs around the world, including DARPA. But the controversial thruster's do-or-die moment is quickly approaching. Read More           The Army's Big, Dumb Guns Aren't Dumb Anymore (and Now They Can Shoot Down Planes)   Looks like the howitzer learned a new trick. Read More             The 10 Best Mattress Toppers to Save Your Back and Your Bed   From foam to feather to fiberfill, there's a great option for every kind of sleeper. Read More           Trump Says He Built a Weapons System 'Nobody's Ever Had.' Here's What He's Probably Talking About   The president claims it's a new weapon, but it's probably just a neutered version of a warhead that's been around for decades. Read More           The Air Force Isn't Dominant Anymore ... Says Air Force Chief of Staff   The top officer warns of World War II-level casualties against China or Russia if the U.S. doesn't act fast. Read More           Where Does the Oxygen in the Universe Come From, Exactly?   This story is exclusive to Pop Mech Pro members.   Scientists still don't quite understand. But they're getting closer. Read More         Read More on PopularMechanics.com       Follow Us     Unsubscribe  Privacy Notice   PopularMechanics.com ©2020 Hearst Communications Inc. All Rights Reserved. Hearst Email Privacy, 300 W 57th St., Fl. 19 (sta 1-1), New York, NY 10019