Creating An Ultra-Stable Lunar Clock With A Cryogenic Silicon Cavity Laser
Phase-coherent lasers are crucial for many precision tasks, including timekeeping. Here on Earth the most stable optical oscillators…
How big is an atom? Why atomic size has no single answer
‘Atoms’, a student of the English chemist Henry Enfield Roscoe asserted in the late 19th century, ‘are round…
A Mysterious Galaxy Dominated by 99% Dark Matter Has Just Been Found
Astronomers have unveiled an extraordinary find: a ghostly galaxy almost entirely composed of dark matter. Located 300 million…
A universal scheme to self-test any quantum state or measurement
Bell, J. S. On the Einstein-Podolsky-Rosen paradox. Phys. Phys. Fiz. 1, 195 (1964). MathSciNet Google Scholar Bell, J.…
A flash of laser light flips a magnet in major light-control breakthrough
Researchers at the University of Basel and ETH Zurich have demonstrated a way to reverse the polarity of…
Physicists discover long-predicted ‘clock magnetism’ in an atomically thin crystal
image:Â When researchers at UT Austin coaxed an atomically thin sheet of nickel phosphorus trisulfide to enter a…
‘An entirely new tool for cosmology’: The gravitational wave background could mend our broken understanding of the universe
Physicists may have a brand-new way to measure the expansion rate of the universe — one of the…
Ancient reversal of Earth’s magnetic field took an extraordinarily long time – Physics World
Ancient reversal of Earth’s magnetic field took an extraordinarily long time – Physics World Skip to main content…
Astronomers Devise a New Way to Measure Cosmic Expansion with Lensed Supernovae
Superliminous supernovae are miraculous events. For astronomers, they also provide a vital tool for measuring cosmic distances and…
Exotic magnetic vortices observed in atom-thin crystal for first time
Physicists at The University of Texas at Austin have experimentally confirmed a decades-old theory describing how magnetism behaves…
Universal work extraction in quantum thermodynamics
Preliminaries We consider a quantum system in contact with a thermal bath of inverse temperature β associated with…
Astronomers Detect Record-Breaking Cosmic Laser from 8 Billion Light-Years Away
Astronomers using the MeerKAT radio telescope in South Africa have detected the most distant hydroxyl megamaser ever observed,…