A clock accurate to within a tenth of a second over 14 billion years – the age of the universe – is the goal of research being reported this week by scientists from three different institutions. To be published ...
General Physics
Mar 19, 2012
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For nearly 50 years, physicists have dreamed of the secrets they could unlock by raising the energy state of an atom's nucleus using a laser. The achievement would allow today's atomic clocks to be replaced with a nuclear ...
Optics & Photonics
Jul 2, 2024
1
136
An international research team has taken a decisive step toward a new generation of atomic clocks. At the European XFEL X-ray laser, the researchers have created a much more precise pulse generator based on the element scandium, ...
General Physics
Sep 27, 2023
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48
A team of researchers from Germany and Austria has taken a new measurement of the nucleus of a thorium-229 isotope, moving one step closer to a nuclear clock. In their paper published in the journal Physical Review Letters, ...
A team of scientists has revealed an internal clock within live human cells, a finding that creates new opportunities for understanding the building blocks of life and the onset of disease.
General Physics
Sep 11, 2017
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2159
Scientists behind a "Doomsday Clock" that measures the likelihood of a global cataclysm are set to announce Tuesday whether civilization is any closer or farther from disaster.
Energy & Green Tech
Jan 26, 2016
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(Phys.org) —Plant cells communicate information about the time of day to their chloroplasts, the part of their cells that underpins all agricultural productivity on Earth, researchers at the University of Bristol have demonstrated ...
Cell & Microbiology
Mar 14, 2013
2
0
(Phys.org)—Physicists Andrei Derevianko of the University of Nevada and Victor Flambaum and Vladimir Dzuba of the University of New South Wales have proposed in a paper published in Physical Review Letters a way to improve ...
(Phys.org)—Researchers at the University of Southampton have developed a model which explains how the spin of a pulsar slows down as the star gets older.
Astronomy
Oct 9, 2012
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0
Griffith University researchers are conducting an experiment at ANSTO that will test a revolutionary physics theory that time reversal symmetry-breaking by neutrinos might cause a time dilation at the quantum scale.
General Physics
Feb 8, 2021
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