Physics
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22 hours ago | News
Scientists
at the Georgia Institute of Technology recently achieved a 17% increase
in boiling efficiency by using an acoustic field to enhance heat
transfer. The acoustic field does this by efficiently removing vapor
bubbles from the heated surface and suppressing the formation of an
insulating vapor film.
23 hours ago | News
There's nothing like a new pair of eyeglasses to bring fine details into sharp relief. For scientists who study the large molecules of life from proteins to DNA, the equivalent of new lenses have come in the form of an advanced method for analyzing data from X-ray crystallography experiments. The findings could lead to new understanding of the molecules that drive processes in biology, medical diagnostics, nanotechnology, and other fields.
May 24 | News
In
quantum physics physical processes in condensed matter and other
many-body systems can often be described with quasiparticles. For the
first time, a team of physicists in Austiri has succeeded in
experimentally realizing a new quasiparticle— a repulsive polaron—in an
ultracold quantum gas.
May 24 | News
Physicists have trapped and cooled exotic particles called excitons so effectively that they condensed and cohered to form a giant matter wave. This feat will allow scientists to better study the physical properties of excitons, which exist only fleetingly yet offer promising applications as diverse as efficient harvesting of solar energy and ultrafast computing.
May 24 | News
It's not magic, but new materials designed by two Northwestern University researchers seem to exhibit magical properties. Some contract when they should expand, and others expand when they should contract.
May 24 | News
Dark
matter accounts for at least 80% of the matter in the universe. No one
knows what it is, but most scientists would bet on weakly interacting
massive particles, or WIMPs. LUX, the Large Underground Xenon detector
at the Sanford Underground Research Facility nearly a mile below the
Black Hills of South Dakota, holds 350 kg of liquid xenon and is a trap
set for dark-matter WIMPs.
May 23 | News
A research group from Stony Brook University reports the development and demonstration of a novel probe for atomic quantum matter. Their work describes a proof-of-principle experiment on the diffraction of atomic de Broglie waves from a strongly correlated gas of atoms held in an optical lattice.
May 22 | News
In a new study, researchers describe what they found in data from Cassini: a new class of space particles—submicroscopic nanograins of electrically charged dust. Such particles are believed to exist throughout the universe, and this marks the first time researchers have measured and analyzed them.
May 22 | News
A new study shows that the availability of hydrogen plays a significant role in determining the chemical and structural makeup of graphene oxide. The study also found that after the material is produced, its structural and chemical properties continue to evolve for more than a month as a result of continuing chemical reactions with hydrogen.
May 22 | News
Francesca Ferlaino's research team at the University of Innsbruck is the first to successfully create a condensate of the exotic element erbium. The Innsbruck experimental physicists hold the world record in attaining the first Bose-Einstein condensates of different chemical elements.
