The clock could one day be used to redefine the second itself. The new timekeeper, called an optical lattice clock, uses lasers and the oscillations of strontium atoms to parcel out time.

Some 11 years later, he added a second hand, with the tip in the design of a red train conductor's disc. ... it will be replaced by a clock with a second hand,” said an SBB spokeswoman.

The second law of thermodynamics demands that if we want to make a clock more precise – thereby reducing the disorder, or entropy, in the system – we must add energy to it. Any increase in energy, ...

Apple's designers apparently liked the iconic Swiss railway clock so much—with its sweeping red second hand that looks like a railway signal flag—that it essentially copied the design for the ...

When you glance at a clock, in a hospital, or at school, or at some other institution that still uses analog clocks, the second hand seemed to lag just for a second before resuming its normal pace ...

If you are looking for a 3D printable wall clock with a USP, Lewis from DIY Machines has created one inspired by the Hollow ...

The latest in astronomical accuracy is an clock ... This light is absorbed and cast off at a rate of some 430 trillion hertz — think of it like a second hand that has to tick 430 trillion times ...

To emphasize the seriousness of these circumstances, the clock was moved to three minutes to midnight. It has been moved 20 times since. What a remarkable, clear, concise piece of communication!