Production has begun on Amazon CEO Jeff Bezos’ $42 million project to build a mechanical clock that will last 10,000 years. Danny Hillis, the man behind the idea, first talked about building a clock that would last 10 millennia in 1995, according to Longnow.org. “I want to build a clock that ticks once a year. The century hand advances once every 100 years, and the cuckoo comes out on the millennium. I want the cuckoo to come out every millennium for the next 10,000 years,” he wrote. He went on to cofound the Long Now Foundation, a nonprofit, to make his idea a reality. The 500-foot-tall clock is being built deep in ... (full story)