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1. Why did it take so long to discover the theory of relativity? Why didn't Newton ?gure it out?

2. Can you think of a way you can make yourself older than those born on your same birthday?

3. Will metersticks manufactured on Earth work correctly on spaceships moving at high speed? Explain.

4. Devise a system for you and three colleagues, at rest with you, to synchronize your clocks if your clocks are too large to move and are separated by hundreds of miles.

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