That big grandfather clock in the library might be an impressive piece of mechanical ingenuity, and an even better example of fine cabinetry, but we’d expect that the accuracy of a pendulum timepiece ...

Dr Hugh Hunt is a Fellow of Trinity College, Cambridge. He has been 'Keeper of the Clock' since 2004. He is a mechanical engineer and applies his knowledge of mechanics and instrumentation to the ever ...

A clock accurate to within a tenth of a second over 14 billion years – the age of the universe – is the goal of scientists. A paper to be published in Physical Review Letters provides the blueprint ...

A clock accurate to within a tenth of a second over 14 billion years – the age of the universe – is the goal of new research. The research provides the blueprint for a nuclear clock based on a single ...

WASHINGTON — It would take 15 billion years for the clock that occupies Jun Ye’s basement lab at the University of Colorado to lose a second — about how long the universe has existed. For this ...

John Harrison, one of the world’s greatest clockmakers, claimed to have designed the perfect pendulum clock in the mid-18th century. Instead of being celebrated, Harrison’s plans were chastised and ...