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Physics - 03.07.2020
A new way towards super-fast motion of vortices in superconductors discovered
A new way towards super-fast motion of vortices in superconductors discovered
An international team of scientists from Austria, Germany and Ukraine has found a new superconducting system in which magnetic flux quanta can move at velocities of 10-15 km/s. This opens access to investigations of the rich physics of non-equilibrium collective systems and renders a direct-write Nb-C superconductor as a candidate material for single-photon detectors.

Physics - Innovation - 02.07.2020
Quantum Fluctuations Can "Kick" Objects on the Human Scale
At a Glance Leadership President Provost Board of Trustees Legacy History & Milestones Historic Awards & Honors Caltech Archives Interactive History Map News Publications This is Caltech Caltech Magazine Periodic Table of Caltech Innovation and Impact Exploration and Achievement Directions Campus Maps Parking Tours Administrative Offices & Departments Academic Divisions Biology and Biological Engineering Chemistry and Chemical Enginee

Physics - Astronomy / Space Science - 02.07.2020
Gravitational wave scientists smash quantum noise limits
Gravitational wave scientists smash quantum noise limits
Results published today in the prestigious journal Nature show the standard quantum limit has been breached using squeezed light technology pioneered at The Australian National University (ANU) Centre for Gravitational Astrophysics and refined at MIT on the 40kg test masses in the LIGO gravitational wave detectors.

Physics - Materials Science - 01.07.2020
Magnonic nano-fibers opens the way towards new type of computers
Magnonic nano-fibers opens the way towards new type of computers
Magnetism offers new ways to create more powerful and energy-efficient computers, but the realization of magnetic computing on the nanoscale is a challenging task. A critical advancement in the field of ultralow power computation using magnetic waves is reported by a joint team from Kaiserslautern, Jena and Vienna in the journal Nano Letters.

Physics - 01.07.2020
Quantum fluctuations can jiggle objects on the human scale
Quantum fluctuations can jiggle objects on the human scale
Study shows LIGO's 40-kilogram mirrors can move in response to tiny quantum effects, revealing the "spooky popcorn of the universe." The universe, as seen through the lens of quantum mechanics, is a noisy, crackling space where particles blink constantly in and out of existence, creating a background of quantum noise whose effects are normally far too subtle to detect in everyday objects.

Physics - Astronomy / Space Science - 01.07.2020
Tabletop quantum experiment could detect gravitational waves
Tiny diamond crystals could be used as an incredibly sensitive and small gravitational detector capable of measuring gravitational waves, suggests new UCL-led research. Predicted by Einstein's general theory of relativity, gravitational waves are ripples in space-time generated by certain movements of massive objects.

Physics - Materials Science - 01.07.2020
Ferroelectricity at the Atomic Scale
Ferroelectricity at the Atomic Scale
New findings made possible by Berkeley Lab's Molecular Foundry and Advanced Light Source could lead to ultrathin materials that control the smallest electronic devices A team of researchers led by Sayeef Salahuddin , faculty scientist in Berkeley Lab's Materials Sciences Division and professor of electrical engineering and computer sciences at UC Berkeley, has managed to grow onto silicon an ultrathin material that demonstrates a unique electrical property called ferroelectricity.

Physics - Materials Science - 30.06.2020
Building better electron sources with graphene
Building better electron sources with graphene
Graphene substrates can be reused repeatedly for photocathodes that emit high-brightness electron beams in electron microscopes and accelerators LOS ALAMOS, N.M., June 30, 2020-Photocathodes that produce electron beams for electron microscopes and advanced accelerators can be refreshed and rebuilt repeatedly without opening the devices that rely on them, provided the electron emitting materials are deposited on single-atom-thick layers of carbon known as graphene, according to a new study published in the journal Applied Physics Letters .

Physics - Materials Science - 29.06.2020
Storing data on 2D metals
Storing data on 2D metals
Researchers have invented a way to slide atomically-thin layers of 2D materials over one another to store more data, in less space and using less energy. A Stanford-led team has invented a way to store data by sliding atomically thin layers of metal over one another, an approach that could pack more data into less space than silicon chips, while also using less energy.

Physics - Electroengineering - 29.06.2020
A new theory for Semiconductors made of nanocrystals
A new theory for Semiconductors made of nanocrystals
Researchers have provided the first theoretical explanation for how electrical current is conducted in semiconductors made of nanocrystals. In the future, this could lead to the development of new sensors, lasers or LEDs for TV screens. A few years ago, we were introduced to TV screens featuring QLED technology that produces brilliant colours.

Life Sciences - Physics - 26.06.2020
A focused approach to imaging neural activity in the brain
A focused approach to imaging neural activity in the brain
New molecule for imaging calcium in neurons reduces crosstalk from neighboring neurons. When neurons fire an electrical impulse, they also experience a surge of calcium ions. By measuring those surges, researchers can indirectly monitor neuron activity, helping them to study the role of individual neurons in many different brain functions.

Physics - Materials Science - 26.06.2020
Dance, Electron, Dance: Scientists Use Light to Choreograph Electronic Motion in 2D Materials
Dance, Electron, Dance: Scientists Use Light to Choreograph Electronic Motion in 2D Materials
Study led by Berkeley Lab, UC Berkeley could advance understanding of electron interactions for quantum devices A team of scientists led by the Department of Energy's Lawrence Berkeley National Laboratory (Berkeley Lab) and UC Berkeley has demonstrated a powerful new technique that uses light to measure how electrons move and interact within materials.

Physics - Materials Science - 25.06.2020
X-ray vision and eavesdropping ensure quality
X-ray vision and eavesdropping ensure quality
With an X-ray experiment at the European Synchrotron ESRF in Grenoble (France), Empa researchers were able to demonstrate how well their real-time acoustic monitoring of laser weld seams works. With almost 90 percent reliability, they detected the formation of unwanted pores that impair the quality of weld seams.

Astronomy / Space Science - Physics - 25.06.2020
Black hole collision may have exploded with light
An international team of astronomers, including researchers from the University of Minnesota, have seen what might amount to the first light ever detected from a black hole merger. When two black holes spiral around each other and ultimately collide, they send out ripples in space and time called gravitational waves.

Physics - Materials Science - 24.06.2020
Wavy surfaces for better light control
Wavy surfaces for better light control
Researchers at ETH Zurich have developed a method for the production of wavy surfaces with nanometre precision. In the future this method could be used, for instance, to make optical components for data transmission on the internet even more efficient and compact. The importance of light-based technologies for our society was demonstrated once more in recent weeks.

Health - Physics - 24.06.2020
Medicine delivery via microbubbles could be made possible using sound waves
Medicine delivery via microbubbles could be made possible using sound waves
New research has shown that microbubbles, which can be used to deliver drugs to remote parts of the body, can be manipulated by sound waves. Drugs can sometimes be difficult to deliver to specific areas of the body. One way to reach these areas is via microbubbles, which are the subject of intense research for this purpose.

Astronomy / Space Science - Physics - 23.06.2020
LIGO-Virgo finds mystery object in ’mass gap’
An unusual gravitational wave signal is casting new light on the 'mass gap' between neutron stars and black holes. When the most massive stars die, they collapse under their own gravity and leave behind black holes. When stars that are a bit less massive than this die, they explode in a supernova and leave behind dense, dead remnants of stars called neutron stars.

Astronomy / Space Science - Physics - 23.06.2020
Gravitational wave scientists grapple with the cosmic mystery of GW190814
A highly unusual gravitational wave signal, detected by the LIGO and Virgo observatories in the US and Italy, was generated by a new class of binary systems (two astronomical objects orbiting around each other), an international team of astrophysicists has confirmed. Scientists from the LIGO and Virgo Collaboration, which includes researchers from the Institute for Gravitational Wave Astronomy at the University of Birmingham, detected the signal, named GW190814, in August 2019.

Physics - 23.06.2020
Introducing a New Isotope: Mendelevium-244
Introducing a New Isotope: Mendelevium-244
Berkeley Lab-led team creates a new, lighter form of the element mendelevium in experiments at the 88-Inch Cyclotron The making of mendelevium-244: In this video, Berkeley Lab project scientist Jennifer Pore describes how scientists working at Berkeley Lab's 88-Inch Cyclotron created and confirmed the discovery of a new isotope, mendelevium-244.

Physics - Materials Science - 23.06.2020
Laser allows solid-state refrigeration of a semiconductor material
Laser allows solid-state refrigeration of a semiconductor material
To the general public, lasers heat objects. And generally, that would be correct. But lasers also show promise to do quite the opposite - to cool materials. Lasers that can cool materials could revolutionize fields ranging from bio-imaging to quantum communication. In 2015, University of Washington researchers announced that they can use a laser to cool water and other liquids below room temperature.
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