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The shortest day in recorded history has been measured at 1.59 milliseconds short of 24 hours, perhaps due to the Chandler wobble.

MIT physicists have significantly amplified quantum changes in atomic vibrations, allowing them to exclude noise from the classical world. This advance may allow them to measure these atomic oscillations, and how they evolve over time, and ultimately hone the precision of atomic clocks and of quantum sensors for detecting dark matter or gravitational waves.

/PRNewswire/ -- The Polyether Ether Ketone Market value is expected to record a valuation of USD 1283.9 million by 2027, registering to accelerate at a 6.7%...

LONDON, May 27, 2022 /PRNewswire/ -- The Polyether Ether Ketone Market value is expected to record a valuation of USD 1283.9 million by 2027, registering to accelerate at a 6.7% CAGR, according

And with gps it goes too much of the world. chris: so it's not an exaggeration to say you are the timekeeper? >> yes we are the timekeeper. chris: and keeping time, precise time is important. for the financial system, the internet, for the pentagon. the department has more than 100 atomic clocks. and there are three different types, one measures the oscillation of cesium addie adams. chris: how does often does in a cesium atom oscillating one second. chris: 9 billion plus, that the definition of a second period this is the master clock, the department of defense. chris: in the next room is a t...