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。

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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。

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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。

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Super-fast Internet connections let people watch movies and send huge amounts of information at the speed of light.

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And then we have c, the speed of light, 2.998 times 10 to the 8 meters per second.

然后我们知道光速等于，2，998乘以10的8次方米每秒。

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And so when you actually have a device the bits don't flow at the speed of light in reality.

因此，当你拥有一个设备,数据位并不能以现实中的光速传输。

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We're in a more inter-connected world, more travel, news and rumours spread at the speed of light.

BBC: How are humans going to become extinct?

Large transactions have been hurtling around the globe at the speed of light for years.

CNN: Cash -- or E-Money?

That show aired four nights a week and burned out a the speed of light.

NPR: 'Idol' Delivers Ratings Power for Fox