The Space Engine That Could Defy Physics Is Going Into Orbit
Physics says this engine shouldn't work, but that's not stopping the debate or the testing.By Evan Thomas | September 7, 2016
EmDrive is back in the news. Someone finally decided to put the so-called "impossible space engine" to the test in orbit.
This is the engine that doesn't use any propellant but seems to generate small amounts of thrust anyway. Physics says that simply shouldn't work.