《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.
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.
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.
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.
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.
重力场是如此的强大以致于靠近它的逃逸速度超过光速。
The gravitational field is so strong that the escape velocity near it exceeds the speed of light.
震荡波就像一台粒子加速器，将等离子体中的电子加速到接近光速。
Each shockwave ACTS as a particle accelerator, increasing the speed of electrons within the plasma to near that of light.
我们确定，主波包传播的速度不能超越以光速c传播的前驱。
We are sure that the main wave packet cannot travel faster than the precursor, which travels at c.
这项技术能够使空气折射率图形化-本质上就是特定介质下的光速。
The technique can image variations in what is known as the refractive index of air - in essence, the speed of light in a given medium.
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.
随着脉冲经过，折射率发生改变，靠近脉冲的光速度越来越慢。
Light in the vicinity of the pulse is slowed more and more when the refractive index changes as the pulse passes by.
不过，我们可以用相对论这个模型来看看接近光速的情况下会发生什么。
However, we can use relativity as a model to see what happens at speeds close to that of light.
它指出光在真空中走直线，且在真空中光速恒定，不论你的观测点如何。
Relativity says that light always moves in a straight line through empty space, and always at the same speed in a vacuum, no matter what your observation point.
75岁的高昆是信息沿纯玻璃纤维以光速传输达数千公里技术的先驱者。
Kao, 75, pioneered the art of sending information down pure glass fibres at the speed of light and over distances of thousands of miles.
虚构的火车以接近光速的速度行驶，它如何变成一个时间机器呢？
We're going to use this imaginary train to get as close as possible to the speed of light and see how it becomes a time machine.
虚构的火车以接近光速的速度行驶，它如何变成一个时间机器呢？
We're going to use this imaginary train to get as close as possible to the speed of light and see how it becomes a time machine.
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