The Em Drive could allow humans to travel to the Moon in just four hours Photo: NASA
Interplanetary travel could be a step
closer after scientists confirmed that an electromagnetic propulsion
drive, which is fast enough to get to the Moon in four hours, actually works.
The EM Drive was developed by the British inventor Roger Shawyer nearly
15 years ago but was ridiculed at the time as being scientifically
impossible.
It produces thrust by
using solar power to generate multiple microwaves that move back and
forth in an enclosed chamber. This means that until something fails or
wears down, theoretically the engine could keep running forever without
the need for rocket fuel.
The drive, which has been likened to Star Trek’s
Impulse Drive, has left scientists scratching their heads because it
defies one of the fundamental concepts of physics – the conservation of
momentum – which states that if something is propelled forward,
something must be pushed in the opposite direction. So the forces inside
the chamber should cancel each other out.
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