‘Impossible’ Device Could Propel Flying Cars, Stealth Missiles

The Emdrive is an electromagnetic drive that would generate thrust from a closed system — “impossible” say some experts.
To critics, it’s flat-out junk science, not even worth thinking about. But its inventor, Roger Shawyer, has doggedly continued his work. As Wired reported last year, Chinese scientists claimed to validate his math and were building their own version.

Full story on Wired