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Old 09-07-2016, 08:05 PM   #1
Fred O'Malley
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Default The 'impossible' EM Drive is about to be tested in space

The 'impossible' EM Drive is about to be tested in space

By: malterwitty
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An actual EM Drive is about to be launched into space for the first time, so scientists can finally figure out - once and for all - if it really is possible for a rocket engine to generate thrust without any kind of exhaust or propellant.



Built by American inventor and chemical engineer, Guido Fetta, the EM Drive is as controversial as it gets, because while certain experiments have suggested that such an engine could work, it also goes against one of the most fundamental laws of physics we have.


As Newton's Third Law states, "To each action there's an equal and opposite reaction," and many physicists say the EM Drive categorically violates that law.


This is because in order for a thruster to gain momentum in a certain direction, it has to expel some kind of propellent or exhaust in the opposite direction.



But the EM Drive simply goes in one direction with no propellant, and thus violates the law of conservation of momentum, which Newton derived from his Third Law.


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