A scientist has created the world's first true atomic wristwatch, packing a chip-scale atomic clock into a wearable carbon fibre case. Michelle Starr Science editor Michelle Starr is CNET's science ...
Keeping time is easy, keeping precise time is hard, but a new type of clock based on atomic nuclei has pushed time-keeping precision to new levels.
FOR THE discerning timekeeper, only an atomic clock will do. Whereas the best quartz timepieces will lose a millisecond every six weeks, an atomic clock might not lose a thousandth of one in a decade.
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