In January of every year for the past 75 years the Bulletin of the Atomic Scientists publishes an updated setting of the Doomsday Clock. The clock is a metaphor for how close or far humanity is from ...

Nigel Barnes, a fifth-generation horologist, acknowledges that it is a “tall order” to learn to fix a clock in two days. But some manage it, he said. Nigel Barnes working with Seán Martin, who had ...