An average of 70-100 years may seem long, but it goes faster then we realize.
七十岁到一百岁的平均寿命看起来也许很长,但岁月如梭,时间过得比我们想象中要快的多。
This actually extends, in our case, and I can put some weight on here, then I actually add to the torque and then you will see that it's... it goes faster.
这事实上延伸了,在我们的例子中,我可以在这里加些重量,我们把力加大,你们会看到,它走得更快了。
Under special relativity, if something travels faster than the speed of light, it goes backwards in time.
根据狭义相对论,如果有什么东西比光速旅行得更快,它就会把时间向后推移。
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