|
Tossing cold atoms like confetti, atomic-fountain clocks launch a new era in timekeeping
The new atomic-fountain clock will displace the currently used thermal-beam atomic clocks in maintaining accurate timekeeping. Ultracold atoms are tossed ......(Continue Reading) A clock more perfect than time - continuous quest for for perfect atomic clock at National Institute of Standards and Technology
Robert Drullinger built the NIST-7 atomic clock, accurate to 10(-14) seconds per second and is developing one 100 times as accurate, while colleague David ......(Continue Reading)At the tone, the time will be… - power boost for atomic clock could allow it to synchronize time-keeping devices - Brief Article
Tired of a VCR that constantly blinks 12:00? A year from now, that VCR and other small devices could synchronize themselves to one of the most accurate ......(Continue Reading)The Best Clock in the World - cesium fountain clock at National Institute of Standards and Technology
... and why we can't live without it In a lab off a humdrum hallway of a federal building on the western edge of Boulder, Colorado, an extraordinary ......(Continue Reading)the CENTURY in SCIENCE
1900 -- Walter Reed traces yellow fever to the mosquito Aedes aegypti * Max Planck, the father of quantum physics, discovers that radiation is absorbed ......(Continue Reading)
|
