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 .
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。
Today people and goods travel by jet aircraft and fast ships, and information is transmitted at the speed of light over the Internet.
人和货物通过喷气式飞机和快船来流动，而信息是通过互联网以光的速度传送。
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.
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。
光速是什么？
The electron is not moving at the speed of light.
电子不是以光速运动的。
Assume the speed of light is the same for both observers.
假设对于这两个观察员而言，光速是相同的。
Yes, the universe itself will eventually outpace the speed of light.
有啥能比光速更快吗？Yes，我们所处宇宙自身的速度最终就将超过光速。
Cherenkov light comes from these particles when the speed of light is exceeded.
切伦科夫光来自光速被超过时的这些粒子。
Two years later it would be travelling at 90 per cent of the speed of light.
在过两年，速度达到光速的90%， 远离太阳系； 发射四年之后，飞船开始了时间旅行。
So they ran the test again - and broke the speed of light for a second time.
为了验证实验正确性，他们又一次进行了此项实验，并且第二次打破了光速。
It is in fact the increase in the speed of light that affects this increase in spin.
实际上那是在以光的速度在加速而影响这个自旋。
The speed of light is widely regarded as the Universe's ultimate velocity limit.
光速被广泛认为是宇宙中速度的极限。
Originally, Keeling measured the speed of light in the air samples with a laser beam.
起初，吉林用激光束测量光在这些空气样本中的传播速度。
Since neutrinos have a tiny mass, the speed should be very close to 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。
Under Einstein's theory, the speed of light becomes a sort of ultimate speed limit.
根据爱因斯坦的理论，光的速度变成了一种终极的速度限制。
The material is accelerated to nearly the speed of light, superheated, and swallowed.
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。
Once your speed approaches the speed of light then Newtonian mechanics no longer works.
速度接近光速时,牛顿力学就超出适用范围了。
Those changes in background may alter both the speed of light and the speed of neutrinos.
这些背景的改变会改变光速或者中微子的速度。
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。
Radiation: composed of massless or nearly massless particles that move at 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。
Special relativity came first and is based on the speed of light being constant for everyone.
首先发布的是狭义相对论，它的基础是对于任何一个人来说，光速是恒定不变的。
The area of physics which deals with speeds comparable to the speed of light is called relativity.
物理学领域中，处理相对于光速的速度问题的就是所谓相对论。
Nothing can escape a black hole's gravity because nothing can travel faster than the speed of light.
任何东西都不能逃脱黑洞的引力，因为没有任何东西的速度能超过光速。
It will gradually catch up with this slow pulse, reducing the speed of light in the slow pulse's vicinity.
它会逐渐赶上这个更慢的脉冲，降低整个慢脉冲附近光的速度。
That innate drive to be recognized for our tastes has been accelerated to the speed of light by the network.
而这个识别自我温度的内在驱动器被网络那如光速般的速度加速了。
That innate drive to be recognized for our tastes has been accelerated to the speed of light by the network.
而这个识别自我温度的内在驱动器被网络那如光速般的速度加速了。
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