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Electron microscopy in the age of automation

"Many of the greatest challenges of our time, from clean energy to environmental justice, require new approaches to the craft of scientific experimentation. This is exceedingly apparent in the field of electron microscopy. ...

Ultracold transistors serve as their own memory devices

Digital transistors—assembled by the billions in today's computer chips—act as near-perfect electronic switches. In the "on" position, achieved when an above-threshold voltage is applied to the device, the transistor ...

Searching for dark matter inside the Earth

Dark matter remains one of the greatest mysteries in science. Despite decades of astronomical evidence for its existence, no one has yet been able to find any sign of it closer to home. There have been dozens of efforts ...

Engineers bend light to enhance wavelength conversion

Electrical engineers from the UCLA Samueli School of Engineering have developed a more efficient way of converting light from one wavelength to another, opening the door for improvements in the performance of imaging, sensing ...

AI learns physics to optimize particle accelerator performance

Machine learning, a form of artificial intelligence, vastly speeds up computational tasks and enables new technology in areas as broad as speech and image recognition, self-driving cars, stock market trading and medical diagnosis.

New exotic matter particle, a tetraquark, discovered

Today, the LHCb experiment at CERN is presenting a new discovery at the European Physical Society Conference on High Energy Physics (EPS-HEP). The new particle discovered by LHCb, labeled as Tcc+, is a tetraquark—an exotic ...

Spin-sonics: Acoustic wave gets the electrons spinning

Researchers have detected the rolling movement of a nano-acoustic wave predicted by the famous physicist and Nobel prize winner Lord Rayleigh in 1885. This phenomenon can find applications in acoustic quantum technologies ...

Chaotic electrons heed 'limit' in strange metals

Electrons in metals try to behave like obedient motorists, but they end up more like bumper cars. They may be reckless drivers, but a new Cornell-led study confirms this chaos has a limit established by the laws of quantum ...

Northern English verbal mannerisms being lost

Within just 45 years south eastern English pronunciations will be used across the UK, according to new research from the Universities of Portsmouth and Cambridge.

Why beer mats do not fly in a straight line

Anyone who has ever failed to throw a beer mat into a hat should take note: physicists at the University of Bonn have discovered why this task is so difficult. However, their study also suggests how to significantly increase ...

Under pressure, 'squishy' compound reacts in remarkable ways

Remarkable things happen when a "squishy" compound of manganese and sulfide (MnS2) is compressed in a diamond anvil, say researchers from the University of Rochester and the University of Nevada, Las Vegas (UNLV).

ATLAS reports first observation of WWW production

The ATLAS Collaboration at CERN announces the first observation of "WWW production": The simultaneous creation of three massive W bosons in high-energy Large Hadron Collider (LHC) collisions.

Acoustic tweezers can pick up objects without physical contact

Researchers from Tokyo Metropolitan University have developed a new technology which allows non-contact manipulation of small objects using sound waves. They used a hemispherical array of ultrasound transducers to generate ...

The mechanics of puncture finally explained

The feeling of a needle piercing skin is familiar to most people, especially recently as COVID-19 vaccinations gain momentum. But what exactly happens when a needle punctures skin? The answer is revealed in a new paper published ...

Nobel prize-winning physicist Steven Weinberg dies at 88

Physicist Steven Weinberg, who won the Nobel prize in 1979 with two other scientists for their separate contributions unlocking mysteries of tiny particles and their electromagnetic interaction, has died at 88, the University ...

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Imaging tool under development exposes concealed detonators—and their charge
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Glass sponges reveal important properties for the design of ships, skyscrapers and planes of the future
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Capturing electrons in space
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Laser improves the time resolution of CryoEM
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The realization of curved relativistic mirrors to reflect high-power laser pulses
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Test of Lord Kelvin's isotropic helicoid ideas fail to prove theory correct
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New method found for moving tiny artificial swimmers
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Emergent magnetic monopoles isolated using quantum-annealing computer
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Physicists discover simple propulsion mechanism for bodies in dense fluids
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Producing memory from speckle patterns
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Thruster research to help propel spacecraft
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Improving low-loss dielectric measurement technique
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Scientists find way to navigate a heavy uphill climb
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Neutron-clustering effect in nuclear reactors demonstrated for first time
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A more efficient method for modeling electrons in materials
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Simulating microswimmers in nematic fluids

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Unraveling mysteries of the ocean from space
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Remains of ancient dogs found among early human ancestral remains in Georgia
Vanderbilt engineer the first to introduce low-power dynamic manipulation of single nanoscale quantum objects
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