Physicist proves impossibility of quantum time crystals
Ex nihilo: Dynamical Casimir effect in metamaterial converts vacuum fluctuations into real photons
Magnetic shell provides unprecedented control of magnetic fields
Mechanical motion rectifier leads to better energy harvesting
Physicists demonstrate 100-fold speed increase in optical quantum memory
Could Exotic Matter Provide an Infinite Source of Energy?
The Physics of Pizza Tossing
Researchers find way to measure speed of spinning object using light's orbital angular momentum
Russian researchers find more evidence to support notion that lightning is caused by cosmic rays
Swift, Chandra explore a youthful 'star wreck'
(Phys.org) —While performing an extensive X-ray survey of our galaxy's central regions, NASA's Swift satellite has uncovered the previously unknown remains of a shattered star. Designated G306.3.9 after ...
Missile and meteorite impacts are more complex at the granular level than scientists previously thought
(Phys.org)—High-speed video of projectiles slamming into a bed of disks has given scientists a new microscopic picture of the way a meteorite or missile transfers the energy of its impact to sand and dirt ...
Undersea volcano gave off signals before eruption in 2011
(Phys.org) -- A team of scientists that last year created waves by correctly forecasting the 2011 eruption of Axial Seamount years in advance now says that the undersea volcano located some 250 miles off the ...
Folding light: Wrinkles and twists boost power from solar panels
Taking their cue from the humble leaf, researchers have used microscopic folds on the surface of photovoltaic material to significantly increase the power output of flexible, low-cost solar cells.
When dark energy turned on (Update)
(PhysOrg.com) -- Some six billion light years distant, almost halfway from now back to the big bang, the universe was undergoing an elemental change. Held back until then by the mutual gravitational attraction ...