Authors: Kiyoung Kim
The inertia in Newton’s first law and the action-reaction in Newton’s third law of motion are peculiar characteristics embodied in natural phenomena, from which the law of conservation of momentum and energy is established in classical mechanics in which the action in Newton’s third law is indispensable for the reaction. Nevertheless, some propellant-less devices have been developed, which can generate the thrust of spacecraft without propellant or any mechanical action; however, propellant-less device, the idea itself seems to be still in debate because it is impossible in the domain of contemporary physics. The feasibility of those devices is reviewed with physical vacuum in 4-D complex space.
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[v1] 2021-05-17 23:57:10
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