How to Make a Clock Run for 10,000 Years

Billionaire Amazon.com founder Jeff Bezos has a long-term plan: to build a clock that runs for 10,000 years. (Photo: Jim Merithew/Wired.com) High on a rocky ridge in the desert, nestled among the brush, is the topmost part of a clock that has been ticking for thousands of years. It looks out over the ruins of a spaceport, built by a rich man whose name was forgotten long ago. Most of the clock is deep inside the mountain, below the ridgeline. To get there, you hike for days through the heat; the only sounds are the buzzing of flies and the whisper of the occasional

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