And giving a little gets you a lot: as the clock grows, its resilience grows exponentially. So far, such properties remain theoretical, and scientists are hard-pressed to build even externally ...

New clock just dropped, but it’ll only drop a second every 30 billion years while in operation. That’s right: It’s the most precise, accurate clock yet built. The timekeeping device was ...

Ekkehard Peik thought it would take only a few months to create the basic ingredients of a radical new clock. That was back in 2001, when he and his colleague Christian Tamm proposed a device with ...