Grandfather paradox

The grandfather paradox has been a mainstay of philosophy , physics and the entire Back to the Future trilogy .

祖父悖论是很多哲学和物理理论的基础，也包括《回到未来》电影三部曲。

But the grandfather paradox prevails .

祖父悖论还是很流行。

That 's because of the so-called " grandfather paradox . " This idea based on the argument that if you traveled into the past and killed your grandfather , you simply would never exist .

这是由于所谓的祖父悖论，该悖论认为如果你回到过去并杀死了你的祖父，你也将不复存在。

But most scientists believe that nothing can actually travel faster than light , and , if you could go back in time , messing with the past would create all kinds of unsolvable paradoxes , like the Grandfather Paradox .

但大多数科学家都认为，没有任何物体的运动速度可以超越光速。并且，如果人类能够回到过去，和过去纠缠不清，就可能引发一系列不易解决的问题和矛盾。比如“祖父悖论”。

And what about the " grandfather paradox "? What would happen if a time traveler killed his grandfather as a child , resulting in his father not being born and , in turn , his not being born .

除此以外，还有祖父悖论：如果一个时间旅行者回到过去杀死了仍是孩子的祖父，进而导致了父亲甚至自己都不能出生。

The so-called Grandfather Paradox going back in time and killing your grandfather , thus preventing your own birth and making it impossible for you to travel back in the first place has been used to help illustrate why backward time travel is impossible .

所谓的祖父悖论回到过去杀掉你的祖父，因此阻止了你的出生，因此让你不可能穿越回过去这个悖论帮助我们阐明为什么穿越回到过去是不可能的。