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General Physics news

Muons spin tales of undiscovered particles

Scientists at U.S. Department of Energy (DOE) national laboratories are collaborating to test a magnetic property of the muon. Their experiment could point to the existence of physics beyond our current understanding, including ...

date2 hours ago in General Physics
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Writing and deleting magnets with lasers

Scientists at the Helmholtz-Zentrum Dresden-Rossendorf (HZDR) together with colleagues from the Helmholtz-Zentrum Berlin (HZB) and the University of Virginia have found a way to write and delete magnets in an alloy using ...

dateApr 19, 2018 in General Physics
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En route to the optical nuclear clock

The nucleus of thorium-229 possesses a property that is unique among all known nuclides: It should be possible to excite it with ultraviolet light. To date, little has been known about the low-energy state of the Th-229 nucleus ...

dateApr 18, 2018 in General Physics
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A powerful new source of high-energy protons

Nearly 20 years ago, researchers conducting experiments on Lawrence Livermore National Laboratory's (LLNL) Nova Petawatt laser system—the world's first quadrillion-watt laser—discovered that when the system's intense ...

dateApr 13, 2018 in General Physics
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Sending electrons on a rollercoaster ride

A first-of-its-kind X-ray instrument for frontier research with high-brightness X-rays is now in operation at Argonne National Laboratory. The new device utilizes a unique superconducting technology that speeds electrons ...

dateApr 11, 2018 in General Physics
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The thermodynamics of computing

Information processing requires a lot of energy. Energy-saving computer systems could make computing more efficient, but the efficiency of these systems can't be increased indefinitely, as ETH physicists show.

dateApr 11, 2018 in General Physics
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Polarization has strong impact on electrons, study shows

The movement of thousands of electrons underlies electronics. Yet, ubiquitous as electrons are, the particulars of their behavior continue to stump physicists. One phenomenon has proven especially puzzling: how electrons ...

Start of most sensitive search yet for dark matter axion

Thanks to low-noise superconducting quantum amplifiers invented at the University of California, Berkeley, physicists are now embarking on the most sensitive search yet for axions, one of today's top candidates for dark matter.

Dynamics of microtubules

Filamentous polymers called microtubules play vital roles in chromosome segregation and molecular transport. An LMU team has now examined how microtubule lengths vary in response to changes in the availability of their protein ...

Creating a 2-D platinum magnet

University of Groningen physicists have induced magnetism in platinum with an electric field created by a paramagnetic ionic liquid. As only the surface of the platinum is affected, this creates a switchable 2-D ferromagnet. ...

King penguin breeding colonies are structured like fluids

Colonies of breeding king penguins behave much like particles in liquids do, according to a new study by the Woods Hole Oceanographic Institution (WHOI) and international colleagues. This "liquid" organization and structure ...

Why noise can enhance sensitivity to weak signals

A team of Japanese researchers has discovered a new mechanism to explain stochastic resonance, in which sensitivity to weak signals is enhanced by noise. The finding is expected to help electronic devices become smaller and ...

New theory shows how strain makes for better catalysts
Is dark matter made of primordial black holes?
Unveiling the secrets of the Milky Way galaxy
Single-cell database to propel biological studies
Archaeologists discover Cornish barrow site
Integrating optical components into existing chip designs
Scientists create gold nanoparticles in water
Virtually modelling the human brain in a computer
GLUT5 fluorescent probe fingerprints cancer cells

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