This is still an early stage but the potential for the EM Drive is amazing. Indeed, it seems to defy a fundamental concept of physics involving the conservation of momentum — that for something to be propelled forward, it needs some kind of propellant to be pushed out in the opposite direction. The EM Drive simply uses electromagnetic waves.
The concept for this engine came from a small UK company, Satellite Propulsion Research Ltd (SPR), under Roger J. Shawyer.
Can you say warp drive?
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Source: Science Alert