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.
目前正在进行一项研究，以验证一些真实性存疑的物质粒子究竟是否存在。而这些物质粒子的移动速度大于光速。
A search is now under way to confirm the suspected existence of particles of matter that move at a speed greater than light.
即使外星人已经掌握了制造一枚能以光速飞行的火箭的技术，他也可能死在了一架飞船里。
Even if ET has mastered building a rocket that can travel at the speed of light, he may be lying dead inside a weakened craft .
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.
《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.
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?
它们特殊价值是全程把光速减至零。
They are particularly valued for their ability to slow the speed of light all the way down to zero.
这是以光速进行的客户服务。
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.
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.
这些背景的改变会改变光速或者中微子的速度。
Those changes in background may alter both the speed of light and the speed of neutrinos.
电子不是以光速运动的。
当与黑洞真的很近的时候，光速也无法达到。
光速是什么？
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.
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.
在柯西视界上，因为产生离心作用，粒子速度减慢，回到光速。
At this Cauchy horizon, because of the centrifugal forces involved, particles slow down back to the speed of light.
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.
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.
这些物质的加速度几乎接近光速，温度极高，并且被蕴含在内部。
The material is accelerated to nearly the speed of light, superheated, and swallowed.
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?
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.
APEX数据显示喷流中的物质正以一半光速的速度前进。
The APEX data shows that material in the jet is traveling at about half the speed of light.
APEX数据显示喷流中的物质正以一半光速的速度前进。
The APEX data shows that material in the jet is traveling at about half the speed of light.
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