Recently, according to foreign media reports, NASA space engineer David Burns announced the design of a "spiral engine" that can power space flights without using any fuel. According to Burns, suppose a box on a frictionless surface has a rod, and a ring can slide along the rod without friction. If the spring in the box pushes the ring and slides along the rod towards the front, the box will kick back in the other direction. When the ring reaches the end of the box, it will bounce back and the box's recoil direction will change. But if the mass of the ring is much greater in one direction than the other, then one end of the box will produce a heavier thrust than the other end. The action force will exceed the reaction force and the box will accelerate. Burns's design uses Einstein's special theory of relativity, when objects are pushed towards the speed of light, they gain mass. In a specific experiment, a particle accelerator is used for lateral and circular motions. In this case, the accelerator needs to be spiral. According to Burns, it can generate thrust up to 99% of the speed of light without violating Einstein ’s law, but his assumption completely violates Newton ’s third law of motion: the role of two interacting objects The force and reaction force are always equal in magnitude and opposite in direction, acting on the same straight line. At the same time, the engine has other obstacles to overcome. It must be 200 meters long and 12 meters wide. It needs 165 megawatts of ground power to produce 1 Newton of thrust. It can only work effectively in a deep space without friction.
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