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Physics news
Stellar explosion in Earth's proximity
When the brightness of the star Betelgeuse dropped dramatically a few months ago, some observers suspected an impending supernova—a stellar explosion that could also cause damage on Earth. While Betelgeuse has returned ...
General Physics
11 hours ago
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Achieving invisibility: Cross-wavelength invisibility integrated with invisibility tactics
Invisibility is a superior self-protection strategy of long-standing interest in academia and industry, although the concept is thus far most popularly encountered in science fiction. In a new report on Science Advances, ...
Breaking new ground in the search for dark matter
The Large Hadron Collider (LHC) is renowned for the hunt for and discovery of the Higgs boson, but in the 10 years since the machine collided protons at an energy higher than previously achieved at a particle accelerator, ...
General Physics
16 hours ago
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New detector breakthrough pushes boundaries of quantum computing
Physicists at Aalto University and VTT Technical Research Center of Finland have developed a new detector for measuring energy quanta at unprecedented resolution. This discovery could help bring quantum computing out of the ...
Quantum Physics
13 hours ago
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D-Wave announces launch of new Advantage quantum computer for business use
Canadian based D-Wave has announced on its blog that it has developed a new quantum computer for use by businesses. Called Advantage, the new system has 5,000 qubits and 15-way qubit connectivity. The new machine will be ...
Colloidal quantum dot light emitters go broadband in the infrared
Broadband light emission in the infrared has proven to be of paramount importance for a large range of applications that include food quality and product/process monitoring, recycling, environmental sensing and monitoring, ...
Optics & Photonics
11 hours ago
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Researchers develop dual-wavelength ocean lidar for ocean detection
Ocean water column information profiles are essential for ocean research. Currently, water column profiles are typically obtained by ocean lidar instruments, including spaceborne, airborne and shipborne lidar.
Optics & Photonics
16 hours ago
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Validating the physics behind the new MIT-designed fusion experiment
Two and a half years ago, MIT entered into a research agreement with startup company Commonwealth Fusion Systems to develop a next-generation fusion research experiment, called SPARC, as a precursor to a practical, emissions-free ...
Plasma Physics
Sep 29, 2020
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The magnetization dynamics of rare-earth metals and the role of ultrafast magnon generation
Rare-earth magnetism is dominated by localized 4f electrons, relative to inner transition metals (that are mostly comprised of lanthanides) and cannot be directly excited through an optical laser pulse. As a result, ultrafast ...
Microcomb-injected, pulsed lasers as variable microwave gears
Low-noise microwave signals are of critical importance in numerous applications such as high-speed telecommunication and ultrafast data processing. Conventionally, such signals are generated with bulky and delicate microwave ...
Optics & Photonics
Sep 29, 2020
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First observation of nutation in magnetic materials
Much of the 'memory' of the world and all our digital activities are based on media, hard disks, where the information is encoded thanks to magnetism, by orienting the spin of electrons in one direction or the other.
General Physics
Sep 29, 2020
0
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Superconductivity with a twist explained
Leiden physicists and international colleagues from Geneva and Barcelona have confirmed the mechanism that makes magic-angle graphene superconducting. This is a key step in elucidating high-temperature superconductivity, ...
Superconductivity
Sep 29, 2020
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Evolution of pine needles helps trees cope with rainfall impact
If you have ever hiked in the woods and been surrounded by the sight and smell of pine trees, you may have taken a closer look at pine needles and wondered how their shape, material properties, and surface wettability are ...
General Physics
Sep 29, 2020
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Understanding ghost particle interactions
Scientists often refer to the neutrino as the "ghost particle." Neutrinos were one of the most abundant particles at the origin of the universe and remain so today. Fusion reactions in the sun produce vast armies of them, ...
General Physics
Sep 29, 2020
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CERN meets quantum technology
Today's information and communication technology grew out of the invention and development of quantum mechanics during the last century. But, nifty as it is that billions of transistors can be packed into your smartphone ...
Quantum Physics
Sep 29, 2020
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How everyday speech could transmit viral droplets
It is well known that an individual infected with the coronavirus can spread it to others through respiratory droplets projected by violent expiratory events like coughing and sneezing.
Soft Matter
Sep 29, 2020
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Stepwise inversion method to profile near-borehole formation velocities
The radial heterogeneity of near-wellbore formation, usually manifested as the variations of formation wave velocities in radial position, is encountered in petroleum exploration and production. Mapping radial variations ...
General Physics
Sep 29, 2020
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Quantum entanglement realized between distant large objects
A team of researchers at the Niels Bohr Institute, University of Copenhagen, have succeeded in entangling two very different quantum objects. The result has several potential applications in ultra-precise sensing and quantum ...
Quantum Physics
Sep 28, 2020
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Plasmonic enhancement of stability and brightness in organic light-emitting devices
Scientists investigate free electrons and the resonant interactions of electromagnetic waves in the field of plasmonics. However, the discipline still remains to be extended to large-scale commercial applications due to the ...
Research reveals how wounds heal in 'waves'
Many cells in our bodies are on the move and somehow seem to 'know' where to go. But how do they learn the location of their destination? This question is key to understanding phenomena such as the renewal of cells in our ...
General Physics
Sep 28, 2020
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3-D camera earns its stripes
Antiferromagnet lattice arrangements influence phase transitions
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Coral's resilience to warming may depend on iron
Researchers use amino acids to grow high-performance copper thin films
Study shows how sun compass works in the brain of desert locust
Gravity causes homogeneity of the universe
Glass molecules can act like sand when jammed, study finds
A self-erasing chip for security and anti-counterfeit tech
SLAC invention could make particle accelerators 10 times smaller
The return of the spin echo
A question of quantum reality
Impurities enhance polymer LED efficiencies
Breaking COVID-19's 'clutch' to stop its spread
New study reveals how reptiles divided up the spoils in ancient seas
