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Role of thrust and drag clarified for swimming microorganisms
PHYS.ORG For years, B. Ubbo Felderhof, a professor at the Institute for Theoretical Physics at Germany's RWTH Aachen University, has explored the mechanisms that fish and microorganisms rely on to propel... 5 hours
Violations of energy conservation in the early universe may explain dark energy
PHYS.ORG (Phys.org)—Physicists have proposed that violations of energy conservation in the early universe, as predicted by certain modified theories of quantum mechanics and quantum gravity,... 4 days
Traffic jam in empty space
SCIENCE DAILY An important step towards a completely new experimental access to quantum physics has been made by researchers in Germany. The team of scientists has now shown how to manipulate the electric vacuum field and thus generate deviations from... 6 days
Studying the quantum vacuum: Traffic jam in empty space
PHYS.ORG An important step towards a completely new experimental access to quantum physics has been made at University of Konstanz. The team of scientists headed by Professor Alfred Leitenstorfer has now... 6 days
Laser-driving of semimetals allows creating novel quasiparticle states
PHYS.ORG Studying properties of fundamental particles in condensed matter systems is a promising approach to quantum field theory. Quasiparticles offer the opportunity to observe particle properties that have no realization in elementary particles.... 1 week
[Perspective] Putting the squeeze on superconductivity
Science Magazine Superconductivity is a fascinating quantum state of matter that has captured the imagination of physicists for over a century. The pioneering theoretical work of Bardeen, Cooper, and Schrieffer described the superconducting state as a phase-coherent condensate... 2 weeks
[In Depth] Observations hint at a new recipe for giant black holes
Science Magazine Astronomers have glimpsed a new solution to a long-standing puzzle: how black holes could have grown fast enough to explain the monsters a billion... 2 weeks
Studies of electron density lead to discovery of disturbing trends in modern computational chemistry
PHYS.ORG When chemists include some theory in their papers, it usually means that they will perform some quantum-chemical calculations of the... 3 weeks
Quantum simulation technique yields topological soliton state in SSH model
PHYS.ORG Topological insulators, an exciting, relatively new class of materials, are capable of carrying electricity along the edge of the surface, while the bulk of the material acts as... 3 weeks
Evolution of ideas: Scientists to decode genetic story of Newton's apple
PHYS.ORG Scientists will connect two of the most important scientific theories of all time - the law of universal gravitation and the theory of evolution - by... 1 month
Scientists detect a quantum crystal of electrons and 'watch' it melt
PHYS.ORG For the first time, MIT physicists have observed a highly ordered crystal of electrons in a semiconducting material and documented its melting, much like ice thawing... 1 month
Scientists detect a quantum crystal of electrons and “watch” it melt
MIT New observations confirm an 80-year-old quantum theory. 1 month
‘Cold Neptunes’ are Common, New Study Says
SCI-NEWS.COM A new statistical study of exoplanets found by an innovative technique called gravitational microlensing suggests that so-called ‘cold Neptunes’ are likely the most common type of planet to form in the icy outer regions... 1 month
Microlensing Study Suggests Most Common Outer Planets Likely Neptune-mass
ASTRO WATCH A new statistical study of planets found by a technique called gravitational microlensing suggests that Neptune-mass worlds are likely the most common type of planet to form in the icy... 1 month
Verlinde's new theory of gravity passes first test
PHYS.ORG A team led by astronomer Margot Brouwer (Leiden Observatory, The Netherlands) has tested the new theory of theoretical physicist Erik Verlinde (University of Amsterdam) for the first time through the lensing effect... 1 month
Saturn’s Bulging Core Implies Moons Younger Than Thought
ASTRO WATCH Freshly harvested data from NASA’s Cassini mission reveals that Saturn’s bulging core and twisting gravitational forces offer clues to the ages of the planet’s moons. Astronomers now believe that the ringed planet’s... 2 months
Quantum physics offers new way to factor numbers
PHYS.ORG (Phys.org)—Any number can, in theory, be written as the product of prime numbers. For small numbers, this is easy (for example, the prime factors of 12 are 2, 2, and 3), but... 2 months
Atomic Beltway Could Solve Problems of Cosmic Gravity
ASTRO WATCH When is a traffic jam not a traffic jam? When it's a quantum traffic jam, of course. Only in quantum physics can traffic be standing still and moving at the same time.... 2 months
New theory of gravity might explain dark matter
SCIENCE DAILY A new theory of gravity might explain the curious motions of stars in galaxies. Emergent gravity, as the new theory is called, predicts the exact same deviation of motions that is usually... 3 months
New theory of gravity might explain dark matter
PHYS.ORG A new theory of gravity might explain the curious motions of stars in galaxies. Emergent gravity, as the new theory is called, predicts the exact same deviation of motions that is usually... 3 months
Detour via gravitational lens makes distant galaxy visible
SCIENCE DAILY Never before have astrophysicists measured light of such high energy from a celestial object so far away. Around 7 billion years ago, a huge explosion occurred at the black hole in the... 3 months
Universal principles of phase transitions confirmed
SCIENCE DAILY New research has confirmed a decades-old theory describing the dynamics of continuous phase transitions. The findings provide the first clear demonstration of the Kibble-Zurek mechanism for a quantum phase transition in both space and time. Physicists... 3 months
Detour Via Gravitational Lens Makes Distant Galaxy Visible
ASTRO WATCH Never before have astrophysicists measured light of such high energy from a celestial object so far away. Around 7 billion years ago, a huge explosion occurred at the black hole in the... 3 months
Detour via gravitational lens makes distant galaxy visible
PHYS.ORG Never before have astrophysicists measured light of such high energy from a celestial object so far away. Around 7 billion years ago, a huge explosion occurred at the black hole in the... 3 months
History shows experiments to be just as key as theory in gravity physics
PHYS.ORG In the 1950s and earlier, the gravity theory of Einstein's general relativity was largely a theoretical science. In a new paper published... 3 months
Physicists observe diffusion of individual atoms in light bath
PHYS.ORG In a combination of experiments and theory the diffusion of individual atoms in periodic systems was understood for the first time. The interaction of individual atoms with light at ultralow... 4 months
Observing the birth of quasiparticles in real time
PHYS.ORG The formation of quasiparticles, such as polarons, in a condensed-matter system usually proceeds in an extremely fast way and is very difficult to observe. In Innsbruck, Rudolf Grimm's physics research group, in... 4 months
[Quantum Gases] Sluggish turmoil in the Fermi sea
AAAS The nonequilibrium dynamics of many-body quantum systems are tricky to study experimentally or theoretically. As an experimental setting, dilute atomic gases offer an advantage over – [Read More] 4 months
Moon and Mars on a plane
PHYS.ORG Who wouldn't want to run an experiment in lunar or martian gravity? ESA is offering European researchers the chance to test their theories on aircraft flights that offer 20 seconds of reduced gravity. 4 months
How to merge two black holes in a simple way
SCIENCE DAILY The merger of two black holes, such as the one that produced the gravitational waves discovered by the LIGO Observatory, is considered an extremely complex process that can... 4 months
Moon and Mars on a plane
ESA Who wouldn’t want to run an experiment in lunar or martian gravity? ESA is offering European researchers the chance to test their theories on aircraft flights that offer 20 seconds of reduced gravity. 4 months
How to merge two black holes in a simple way
PHYS.ORG The merger of two black holes, such as the one which produced the gravitational waves discovered by the LIGO Observatory, is considered an extremely complex process that can... 4 months
A non-probabilistic quantum theory produces unpredictable results
PHYS.ORG (Phys.org)—Quantum measurements are often inherently unpredictable, yet the usual way in which quantum theory accounts for unpredictability has long been viewed as somewhat unsatisfactory. In a new study, University of Oxford physicist Chiara Marletto... 4 months
Have we really just seen the birth of a black hole?
PHYS.ORG For almost half a century, scientists have subscribed to the theory that when a star comes to the end of its life-cycle, it will undergo a... 4 months
Levitating nanoparticle improves 'torque sensing,' might bring new research into fundamentals of quantum theory
PHYS.ORG Researchers have levitated a tiny nanodiamond particle with a laser in a vacuum chamber, using the technique for the first... 4 months
Advancing lithium-air batteries with development of novel catalyst
PHYS.ORG Lithium-air batteries are viewed by many as a potential next-generation technology in energy storage. With the highest theoretical energy density of all battery devices, Li-air could revolutionize everything from electric vehicles to... 4 months
Metal in chains
PHYS.ORG The electronic energy states allowed by quantum mechanics determine whether a solid is an insulator or whether it conducts electric current as a metal. Researchers at ETH have now theoretically predicted a novel material whose energy states exhibit a hitherto... 4 months
The enigma machine takes a quantum leap
SCIENCE DAILY Researchers have moved beyond the theoretical in demonstrating that an unbreakable encrypted message can be sent with a key that's far shorter than the message -- the first time that has ever been done. 5 months
The enigma machine takes a quantum leap
PHYS.ORG Researchers at the University of Rochester have moved beyond the theoretical in demonstrating that an unbreakable encrypted message can be sent with a key that's far shorter than the message—the first time that has... 5 months
Researchers find transition point in semiconductor nanomaterials
PHYS.ORG Collaborative research at Notre Dame has demonstrated that electronic interactions play a significant role in the dimensional crossover of semiconductor nanomaterials. The laboratory of Masaru Kuno, professor of chemistry and biochemistry, and the condensed... 5 months
Physicists propose first method to control a single quanta of energy
PHYS.ORG (Phys.org)—Physicists have proposed what they believe to be the first method to control the transport of energy at the level of single energy quanta (which are... 5 months
Research pair create two-atom molecules that are more than a thousand times bigger than typical diatomic molecules
PHYS.ORG (Phys.org)—A pair of physicists with the Swiss Federal Institute of Technology in Switzerland has... 5 months
Finding patterns in 'electron puddles'
PHYS.ORG Yale physicist Leonid Glazman has developed a quantitative theory to explain the effect of quantum and thermal fluctuations of charge in tiny "electron puddles" for a study reported in the journal Nature. 5 months
New material discovery allows study of elusive Weyl fermion
SCIENCE DAILY Researchers have discovered a new type of Weyl semimetal, a material that opens the way for further study of Weyl fermions, a type of massless elementary particle hypothesized by high-energy... 5 months
New evidence supports Stephen Hawking's theory of shrinking black holes
THE VERGE For a long time, it was assumed that the gravitational pull of a black hole was total — that nothing, not even light, could escape the clutches of... 5 months
Physicists Confirm Possible Discovery of Fifth Force of Nature
ASTRO WATCH Recent findings indicating the possible discovery of a previously unknown subatomic particle may be evidence of a fifth fundamental force of nature, according to a paper published in the journal... 5 months
Physicist claims to have observed quantum effects of Hawking radiation in the lab for the first time
PHYS.ORG (Phys.org)—Jeff Steinhauer, a physicist at the Israel Institute of Technology, has published a paper... 5 months
Enhanced electron doping on iron superconductors discovered
SCIENCE DAILY Researchers have presented the possibility of unifying theories to explain the working mechanism of iron- based superconductors. Superconductors are a relatively new concept; they were brought to prominence in the late 80's when two... 5 months
Theoretical Physicists Confirm Possible Discovery of Nature’s Fifth Fundamental Force
SCI-NEWS.COM Recent findings by a team of experimental nuclear physicists in Hungary indicating the possible discovery of a new subatomic particle may be evidence of a fifth force of... 5 months
Enhanced electron doping on iron superconductors discovered
PHYS.ORG The Institute for Basic Science research team headed by the associate director of CCES, KIM Chang Young, presented the possibility of unifying theories to explain the working mechanism of iron- based superconductors. 5 months
Online course on human spaceflight with ESA astronaut Christer Fuglesang
ESA
Ketchup Bottle Physics: Scientist Unlocks Key to Splat-Free Sauce
LIVE SCIENCE
A new twist on fusion power could help bring limitless clean energy
PHYS.ORG
New molecular knot is most complex yet
SCIENCE-NEWS
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