Physics News

Polarized Nuclear Imaging: New Technique Has Potential for High-Resolution Medical Diagnostics

Prof. Gordon Cates and Dr. Wilson Miller with the unique imaging apparatus the team built in their lab. Image credit: Dan Addison / University of Virginia.
Nov 2, 2016 by News Staff

A team of researchers at the University of Virginia has devised a new imaging approach that combines powerful aspects of both magnetic resonance imaging and gamma-ray imaging. Prof. Gordon Cates and Dr. Wilson Miller with the unique imaging apparatus the team built in their lab. Image credit: Dan Addison / University of Virginia. The new imaging technique, called polarized nuclear imaging (PNI), has potential for new types of high-resolution medical...

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The scanning tunneling microscope used to inject electrons into a silicon surface. Image credit: Michelle Tennison.

Physicists Visualize Quantum Behavior of High-Energy Electrons

Sep 28, 2016 by News Staff

A team of physicists from the University of Birmingham and the University of Bath has identified a method to visualize, over a millionth of a billionth...

Universe is Expanding Uniformly, Scientists Say

Sep 23, 2016 by News Staff

The Universe is not spinning or stretched in any particular direction, according to a team of researchers from University College London and Imperial College...

This image shows a pellet of plutonium-238 dioxide. The pellet is glowing red because of the heat generated by the radioactive decay (primarily alpha) of the fuel. Such pellets were used in radioisotope thermoelectric generators that powered NASA’s Galilleo and Cassini spacecraft on missions to Jupiter and Saturn, respectively. Image credit: Los Alamos National Laboratory.

Plutonium Acts Like Ions in a Salt, New Study Shows

Sep 16, 2016 by News Staff

Plutonium, a heavy, silvery metal with 15 isotopes that is produced by the neutron irradiation of natural uranium, is formidably complex element that does...

Proton-proton collisions events in which two high energy electrons and two high energy muons are observed. Image credit: L. Taylor / T. McCauley / CERN.

Madala Boson: Physicists Predict Existence of New Heavy Particle

Sep 7, 2016 by News Staff

An international team of physicists, led by the University of the Witwatersrand (UW) in Johannesburg, South Africa, predicts the existence of a new particle...

A false-color high-resolution transmission electron microscopy image of the zirconium pentatelluride (ZrTe5) with an inset selected area electron diffraction (SAED) pattern, showing the layer normal along the b axis. Scale bar - 2 nm. Image credit: Yanwen Liu et al.

Physicists: Massless Electrons Acquire Mass in Presence of Strong Magnetic Field

Aug 31, 2016 by News Staff

For the first time, physicists have discovered that in an extremely high magnetic field ‘massless’ Dirac electrons can acquire a mass. A false-color...

Dr. Vaccaro is challenging the conventional view of space and time to show how the world advances through time. Image credit: Geralt.

Novel Theory on Moving Through Time

Aug 18, 2016 by News Staff

A physicist at Griffith University in Australia has solved an anomaly of conventional physics and shown that a mysterious effect called ‘T violation’...

The discovery of a possible fifth force of nature would completely change our understanding of the Universe, according to Jonathan L. Feng et al. This Hubble image shows the Whirlpool Galaxy (also known as Messier 51 and NGC 5194) and its companion galaxy, NGC 5195. Image credit: NASA / ESA / S. Beckwith, STScI / Hubble Heritage Team / STScI / AURA.

Theoretical Physicists Confirm Possible Discovery of Nature’s Fifth Fundamental Force

Aug 16, 2016 by News Staff

Recent findings by a team of experimental nuclear physicists in Hungary indicating the possible discovery of a new subatomic particle may be evidence of...

NOvA detector. Image credit: Louise Suter / NOvA Collaboration.

Physicists Shed New Light on How Neutrinos Behave

Aug 8, 2016 by News Staff

Physicists from the NOvA collaboration have announced a new result that could improve our understanding of the behavior of neutrinos. NOvA detector. Image...

Artistic image of light trapped on the surface of a topological insulator. Image credit: Vincenzo Giannini.

Physicists Suggest Light Could Exist in Previously Unknown Form

Aug 5, 2016 by News Staff

According to a team of physicists at Imperial College London (ICL), UK, it is possible to create a new form of light by binding light to a single electron,...

The Pauli exclusion principle predicts a forbidden zone along a meridian of the spherical halo of scattered particles, which the experiments indeed unveiled. The dark band in the graphic shows a rule derived from the principle in action. This rule is that indistinguishable fermions cannot scatter out at 90 degrees to the collision axis. Image credit: Niels Kjærgaard.

Pauli Exclusion: Physicists Directly Observe Key Principle of Quantum Mechanics

Jul 11, 2016 by Enrico de Lazaro

An international team of scientists, led by Dr. Niels Kjærgaard from the University of Otago in Dunedin, New Zealand, has used steerable ‘optical tweezers’...

View of the LHCb detector. Image credit: CERN.

CERN Physicists Observe Three New Tetraquark Particles

Jul 6, 2016 by Enrico de Lazaro

Physicists on CERN’s LHCb collaboration say they’ve observed three new exotic particles – X(4274), X(4500) and X(4700) – and also confirmed the...

An illustration of the layer of dark hydrogen the team’s lab mimicry indicates would be found beneath the surface of gas giants like Jupiter. Image credit: Stewart McWilliams.

Gas Giant Planets May Contain Layers of ‘Dark Hydrogen,’ Say Physicists

Jun 24, 2016 by News Staff

On the surface of giant gaseous planets, hydrogen is a gas. But between this gaseous layer and the liquid metal hydrogen in the planet’s core lies a...

Physicists Identify Second Gravitational-Wave Event

Jun 16, 2016 by Sergio Prostak

An international team of scientists has identified a second gravitational wave event in the data from the twin detectors of the Laser Interferometer Gravitational-Wave...

Periodic table of the elements. Image credit: International Union of Pure and Applied Chemistry / Sci-News.com.

Nihonium, Tennessine, Oganesson, Moscovium: Four New Chemical Elements Get Names

Jun 9, 2016 by News Staff

Nihonium (Nh), moscovium (Mc), tennessine (Ts) and oganesson (Og) are the new names of chemical elements 113, 115, 117 and 118 on the periodic table. Periodic...

Chen Wang and co-authors have given Schrödinger’s cat a second box to play in. Image credit: Michael S. Helfenbein / Yale University.

Physicists Give Schrödinger’s Cat Second Box

May 27, 2016 by News Staff

Through new experiments involving the Schrödinger’s cat state paradox, physicists at Yale University have shown that the famous cat can be in two...

Noble gas atoms deposited on molecular network are investigated with a probing tip, which is decorated with a Xe atom. The measurements give information about the very weak van der Waals forces between these individual atoms. Image credit: University of Basel.

Van der Waals Forces of Individual Atoms Measured for First Time

May 24, 2016 by News Staff

For the first time, scientists have succeeded in measuring the strength of the very weak van der Waals forces passing between individual atoms. Noble gas...

Physicists discovered that water in the mineral beryl displays some unique and unexpected characteristics. Image credit: Jeff Scovil.

Physicists Discover New State of Water Molecule

Apr 26, 2016 by News Staff

Using computational modeling and neutron scattering, physicists have discovered a novel state of water molecule. Physicists discovered that water in the...

A schematic image representing a periodic variation in the density of Cooper pairs (pairs of blue arrows pointing in opposite directions) within a cuprate superconductor. Image credit: Brookhaven National Laboratory.

Cooper-Pair Density Wave: Elusive State of Superconducting Matter Detected for First Time

Apr 13, 2016 by News Staff

An international team of researchers, led by Prof. Séamus Davis of Cornell University and Brookhaven National Laboratory, and Dr. Andrew Mackenzie of...

Scientists inserted a small molecule named coralyne into the DNA and were able to create a single-molecule diode, which can be used as an active element in future nanoscale circuits. Image credit: University of Georgia / Ben-Gurion University of the Negev.

Researchers Create World’s Smallest Diode

Apr 5, 2016 by Enrico de Lazaro

A single-molecule diode, the world’s smallest, has been created by a team of researchers from Ben-Gurion University of the Negev and the University of...

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