The theory is that the photons in laser beams carry a tiny amount of momentum in them which, under the right circumstances, could nudge an object in space and slow it down by 0.04 inches per second. 其原理是这样的,激光光束携带着微量动力,在一定的环境条件下能够推动太空中的物体,并使其每秒钟运行的速度减少0.04英寸。