“I’m not optimistic because our problems are small…”

Why build a clock that lasts for 10,000 years? Because the future is always getting shorter and shorter.

“Everybody was doing things faster and faster. I needed to slow down, stretch out, and think on a different time scale.

Any engineer wants to build something that lasts. But that doesn’t mean it’s easy to build. From the beginning I wanted to make a little model of the clock, and then make a bigger one and a bigger one. I finally realized the clock couldn’t go in a building—it had to be...