爱因斯坦曾经假定,如果您以巨大的速度旅行,时间实际上相对于您留下的世界会放慢,这样就可以在理论上至少在理论上,可能是可能的。(Einstein once postulated that if you traveled at an enormous rate of speed, time would actually slow down relative to the world you left behind,so that seeing the future without aging alongside it was at least theoretically, possible.)