根据相对论，任何东西都无法超越光速。
According to the theory of relativity, nothing can travel faster than light.
《光速跑者21号》是以美式足球为题材的体育漫画作品。
"Eyeshield 21" is a sports cartoon based on American football.
如果你能以光速运动，你的时间就会静止不动；如果你能以快于光速的速度运动，你的时间就会倒退。
If you could move at the speed of light, your time would stand still, if you could move faster than light, your time would move backward.
虫洞是否包含了超光速旅途的奥秘？
Could wormholes hold the secret to faster-than-light travel?
光速被广泛认为是宇宙中速度的极限。
The speed of light is widely regarded as the Universe's ultimate velocity limit.
切伦科夫光来自光速被超过时的这些粒子。
Cherenkov light comes from these particles when the speed of light is exceeded.
电子不是以光速运动的。
假设对于这两个观察员而言，光速是相同的。
速度接近光速时,牛顿力学就超出适用范围了。
Once your speed approaches the speed of light then Newtonian mechanics no longer works.
光速比声速要快，为每秒钟30万公里。
Light travels faster than sound at the speed of 300,000 kilometres per second.
作为时空结构的一部分，光速是终极速度极限。
The velocity of light is the ultimate speed limit, being part of the very structure of space and time.
光速是什么？
这远不像一束无线电波“以光速”穿过真空层那样简单。
It is far from simply a radio beam passing through a vacuum at "the speed of light".
为了把一个物体加速到光速，你需要的简直是无限的能源。
To accelerate an object to the speed of light, you'd need nothing short of an infinite amount of energy.
网络正以光速进行着演变，我们必须乐意去跟上这种变化。
The Internet is evolving at lightning speed and we need to be willing to keep up.
延迟时间会大于或等于电磁信号传输距离除以光速的比值。
The latency cannot be less than the distance the electromagnetic signal has to travel divided by the speed of light.
当电报首次以光速长距离传递信息时，我们迎来了转折点。
When the telegraph first moved information over long distances at the speed of light, we'd hit a new turning point.
辐射：由以光速运行的无质量或近无质量粒子所构成。
Radiation: composed of massless or nearly massless particles that move at the speed of light.
因为中微子的质量非常小，所以它的速度应该非常接近光速。
Since neutrinos have a tiny mass, the speed should be very close to the speed of light.
“……我们不允许比光速还快的中微子进到这儿，”酒保说。
"... We don't allow faster-than-light neutrinos in here, "says the barman.
如果你能够比光速运动得还快，你的时间就会倒流。
If you could move faster than light, your time would move backward.
如果达到光速，根据相对论可以计算出这个物体的质量趋于无穷。
As you reach the speed of light, relativity calculations indicate that an object's mass becomes infinite.
我们能否绕过爱因斯坦狭义相对论的理论使得移动速度超越光速？
Can we skirt Einstein's theory of special relativity and travel faster than a beam of light?
“这可以让它看起来跑得像是比光速快，但实际并没有。”他说。
"That can make it look like a particle has gone faster than the speed of light when it hasn't," he said.
它的年龄及有限的光速意味着没有天文学家能超越137亿光年。
Its age, and the finite speed of light, means no astronomer can look beyond a distance of 13.7 billion light-years.
最终，爱因斯坦得出了一个结论，那就是宇宙中的最大速度为光速。
Finally, Einstein arrived at a conclusion that maximum speed in the universe is that of light.
最终，爱因斯坦得出了一个结论，那就是宇宙中的最大速度为光速。
Finally, Einstein arrived at a conclusion that maximum speed in the universe is that of light.
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