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NEWS ABOUT: atomic clock

World's Timekeepers: Kill 'Leap Seconds'

Debate rages over fundamental shift

(Newser) - Countries across the globe are divided—and it's only a matter of time. Some, including Britain and China, want to retain a special "leap second" occasionally added to the calendar to keep atomic clocks in line with the Earth's rotation. The US, France, Germany, and others, however,... More »

Time to Ditch Greenwich Mean Time: Scientists

France-based bureau calls for new system

(Newser) - Time may be almost up for Greenwich Mean Time. A panel of scientists in France has called for an end to the official measurement, which has been in place for more than a century, the Daily Mail reports. The International Bureau of Weights and Measures says we should depend on... More »

Team Proves Einstein's Relativity Affects Aging

Gravity's effect on time means your hair is aging faster than your feet

(Newser) - People age faster—very, very slightly faster—the higher above ground they live, according to scientists testing Einstein's theory of relativity. Researchers using ultra-precise atomic clocks found that time, as Einstein predicted, is slowed down by gravity even over minuscule distances. The scientists found that just moving a couple of... More »

Time Will Stand Still at Midnight New Year's Eve

Timekeepers make 2008 a second longer to compensate for Earth's wonky rotation

(Newser) - The last minute of the last hour of the last day of 2008 is getting an extension, LiveScience reports. The world's timekeepers are tacking an extra "leap second" onto the end of the year to allow super-accurate clocks to get back in synch with the planet's irregular but gradually... More »

Über-Precise Atomic Clocks Are Half-Past a Revolution

Smaller, cheaper, and mysterious

(Newser) - Forget the Swiss—the world's best clocks sit in a Colorado lab where a team of scientists is shaping them into über-precise gadgets with broad-reaching implications on medicine, navigation, and surveillance. The National Institute of Standards and Technology has built a clock the size of a grain of rice... More »

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