| 1 | The super-speed of our globalized world is dependent on satellites. | |
| 2 | These vibrations turn the ion into a sort of superfast metronome. | |
| 3 | Imagine a track that goes right around Earth, a track for a superfast train. | |
| 4 | They discovered what they call a hypervelocity star, which moves three times faster than our sun does through the galaxy. | |
| 5 | No city in an authoritarian state could guide the world, even if its leaders brag of rising wealth and high-speed trains that run on time. |
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