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。
Every time light moves into a material with a new speed, it bends and scatters.
每次光线以新的速度穿越一个物体时，它会弯曲，并发生散射。
A search is now under way to confirm the suspected existence of particles of matter that move at a speed greater 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。
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。
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。
If the light is too bright, it can affect the speed of falling asleep.
光线太亮会影响入睡速度。
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。
If this measurement had agreed with expectations, and showed neutrinos travelling at or below light speed, how carefully would we be examining the uncertainties?
如果实验结果与预期相符，并显示中微子以光速或低于光速的速度前进，我们会有多小心的检查不确定性呢？
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。
Scientists have come up with a much more accurate way of measuring distance - wavelengths and light speed.
但是科学家们已经提出了更精确的测量距离的方法了-波长和光的速度。
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。
That's shocking, because much of modern physics relies on Einstein's theory that the speed of light is the universe's speed limit.
那是十分令人震惊的，因为许多物理学家总是根据爱因斯坦的相对论，认为光速是宇宙速度的极限。
That's doable in theory, because special relativity states that time slows down and distances shrink for travelers approaching light speed.
这在理论上是可行的，应为按照狭义相对论，旅行者在接近光速时，时间会变慢，距离也会缩短。
Scientists announced Monday that in a quark-gluon plasma, achieved by smashing gold nuclei together at 99.995 percent of light speed, quarks briefly lost their ability to tell right from left.
周一科学家们宣布，在夸克胶子等离子体中，以百分之99.995光速粉碎金原子核，夸克就会短暂丧失分清左右的能力。
For the crew of a spacecraft ramping up to light speed, interstellar space would appear highly compressed, thereby increasing the number of hydrogen atoms hitting the craft.
对宇宙飞船的船员来说，速度升高到光速，宇宙空间将被高度压缩，因此增加了撞击飞船的氢原子数量。
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。
But he soon realized that the stray atoms of hydrogen gas would actually go right through the ship traveling close to light speed, and irradiate both crew and electronics in the process.
随后他才意识到，如果接近光速飞行，游荡的氢原子将直接穿过飞船，并使全体船员和飞船都遭受辐射。
To do that, CERN built the Antiproton Decelerator, which USES electric and magnetic fields to slow the particles from near light speed to about one-tenth of that, he said.
为了要做那些，CERN建造了反质子加速器，他说，使用电场和磁场把接近光速度的粒子减慢到光速的十分之一左右。
By smashing particles together at close to light speed inside an atom smasher, scientists created a never-before-seen type of matter: an anti-hypertriton.
通过连续地粉碎核粒子加速器内部的接近光速的粒子，科学家建立了一个从来没有见过的物质类型：反物质超核(anti- hypertriton)。
光速是什么？
But, Schmidt says, the combo antimatter fusion engine could not likely generate the thrust needed to get up to seven-tenths light speed.
不过施密特也指出，混合反物质聚变发动机产生的推力很可能达不到所需的7/10光速。
Shockingly, the neutrinos appeared to beat light speed by 60 billionths of a second.
令人震惊的是，中微子出现了以1秒钟里的10亿分之60击败了光速的试验结果。
"I reluctantly took the arrow, a lit fuses, after a while, listen to" sou "sound, the rocket flew like light speed."
我半信半疑的取了箭头，一点燃引线，过了一会儿，只听“嗖”的一声，火箭像光一样的速度飞了。
The derivation methods of Lorentz transformation according to invariance of light speed and principle of relativity are commented.
评论了仅仅依据光速不变假设和相对性原理推导洛伦兹变换公式的方法。
Manipulation of light speed in an optical medium can be realized by changing the dispersive properties of the medium.
通过改变介质的色散性质人们能控制光学介质中光的传播速度。
Manipulation of light speed in an optical medium can be realized by changing the dispersive properties of the medium.
通过改变介质的色散性质人们能控制光学介质中光的传播速度。
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