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World’s most accurate atomic clock uses 2-mile laser beam to track time preciselyThe laser beam traveled 3.6 kilometers (over 2 miles) via fiber optic links to NIST, where a frequency comb (acting as a “ruler for light”) allowed the aluminum ion clock’s laser to adopt its superior ...
Quantum networking is being rapidly developed world-wide. It is a key quantum technology that will enable a global quantum ...
A new, portable atomic clock was able to use gravity to take a measurement of the height of a mountain in the French Alps. (Jean-Pierre Clatot / AFP-Getty Images) By Deborah Netburn Staff Writer .
Scientists have used a portable “atomic clock” to measure gravity for the first time. The device makes use of small changes in the flow of time at different altitudes to measure the Earth’s ...
Our New Atomic Clock Is So Precise That We Need a Better Understanding of Gravity To Use It Our measurements of gravity are not good enough for NIST's new atomic clock. By Avery Thompson Published ...
More French pendulum clock from the French region of Franch-Comte. ... Many subsequent refinements, even prior to Newton's gravity, were made to this original design. Christian Huygens, 1658.
Famously, gravity and quantum mechanics do not mix and represent a giant gap between our understanding of the macro world of humans and the quantum-governed micro world of particles.
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