ScienceDaily: Top Technology News

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• New machine learning-assisted method rapidly classifies quantum sources
• Quirky response to magnetism presents quantum physics mystery
• New Hubble data suggests there is an ingredient missing from current dark matter theories
• High-precision electrochemistry: The new gold standard in fuel cell catalyst development
• Jupiter's moons could be warming each other
• Inexpensive, non-toxic nanofluid could be a game-changer for oil recovery
• Unique supernova explosion
• Detailed picture of US bachelor's programs in computing
• Experiments reveal why human-like robots elicit uncanny feelings
• Nanophysics: Spectral classification of excitons
• Anti-bacterial graphene face masks
• How do people prefer coronavirus contact tracing to be carried out?
• Superconductors are super resilient to magnetic fields
• Revealing the secrets of high-energy cosmic particles
• Giant particle accelerator in the sky
• New ultrafast yellow laser poised to benefit biomedical applications
• Positive results for ReWalk ReStore exosuit in stroke rehabilitation
• Vibration device makes homes 'smart' by tracking appliances
• Velcro-like food sensor detects spoilage and contamination
• Sound waves replace human hands in petri dish experiments
• As collegiate esports become more professional, women are being left out
• Transistor-integrated cooling for a more powerful chip
• How AI-controlled sensors could save lives in 'smart' hospitals and homes
• New method prevents quantum computers from crashing
• Sampling the gut microbiome with an ingestible pill
• Magnetic whirls crystallize in two dimensions
• New microfluidic device minimizes loss of high value samples
• New perception metric balances reaction time, accuracy
• A new method for directed networks could help multiple levels of science
• Chemotherapy drug more effective when combined with microbubbles
• Boundaries no barrier for thermoelectricity
• Meteorites show transport of material in early solar system

New machine learning-assisted method rapidly classifies quantum sources Posted: 10 Sep 2020 02:18 PM PDT Engineers have created a new machine learning-assisted method that could make quantum photonic circuit development more efficient by rapidly pre-selecting these solid-state quantum emitters.

Quirky response to magnetism presents quantum physics mystery Posted: 10 Sep 2020 02:18 PM PDT Scientists describe the quirky behavior of one such magnetic topological insulator. The new article includes experimental evidence that intrinsic magnetism in the bulk of manganese bismuth telluride (MnBi2Te4) also extends to the electrons on its electrically conductive surface. Such materials could be just right for making qubits, but this one doesn't obey the rules.

New Hubble data suggests there is an ingredient missing from current dark matter theories Posted: 10 Sep 2020 12:03 PM PDT Recent observations have found that something may be missing from the theories of how dark matter behaves. This missing ingredient may explain why researchers have uncovered an unexpected discrepancy between observations of the dark matter concentrations in a sample of massive galaxy clusters and theoretical computer simulations of how dark matter should be distributed in clusters.

High-precision electrochemistry: The new gold standard in fuel cell catalyst development Posted: 10 Sep 2020 12:03 PM PDT Scientists have made a pivotal discovery that could extend the lifetime of fuel cells that power electric vehicles by eliminating the dissolution of platinum catalysts.

Jupiter's moons could be warming each other Posted: 10 Sep 2020 12:02 PM PDT The gravitational push and pull by Jupiter's moons could account for more warming than the gas giant Jupiter alone.

Inexpensive, non-toxic nanofluid could be a game-changer for oil recovery Posted: 10 Sep 2020 10:40 AM PDT Researchers have demonstrated that an inexpensive and non-toxic nanofluid can be used to efficiently recover even heavy oil with high viscosity from reservoirs.

Unique supernova explosion Posted: 10 Sep 2020 10:04 AM PDT Astronomers have discovered a supernova that could help uncover the origins of the group of supernovae this star belongs to.

Detailed picture of US bachelor's programs in computing Posted: 10 Sep 2020 08:08 AM PDT With the aim of providing a comprehensive look at computing education, the study includes information on enrollments, degree completions, faculty demographics, and faculty salaries.

Experiments reveal why human-like robots elicit uncanny feelings Posted: 10 Sep 2020 08:08 AM PDT Experiments reveal a dynamic process that leads to the uncanny valley, with implications for both the design of robots and for understanding how we perceive one another as humans.

Nanophysics: Spectral classification of excitons Posted: 10 Sep 2020 08:08 AM PDT Ultrathin layers of tungsten diselenide have potential applications in opto-electronics and quantum technologies. Researchers have now explored how this material interacts with light in the presence of strong magnetic fields.

Anti-bacterial graphene face masks Posted: 10 Sep 2020 08:08 AM PDT Researchers have successfully produced laser-induced graphene masks with an anti-bacterial efficiency of 80 percent, which can be enhanced to almost 100 percent within 10 minutes under sunlight. Initial tests also showed very promising results in the deactivation of two species of coronaviruses. The graphene masks are easily produced at low cost, and can help to resolve the problems of sourcing raw materials and disposing of non-biodegradable masks.

How do people prefer coronavirus contact tracing to be carried out? Posted: 10 Sep 2020 08:08 AM PDT New research shows that people prefer coronavirus contact tracing to be carried out by a combination of apps and humans.

Superconductors are super resilient to magnetic fields Posted: 10 Sep 2020 07:06 AM PDT A professor provides a new theoretical mechanism that explains the ability of superconductive materials to bounce back from being exposed to a magnetic field. This work may lead to energy systems that operate without resistive losses. It is also useful for building qubits for quantum computers.

Revealing the secrets of high-energy cosmic particles Posted: 10 Sep 2020 07:06 AM PDT The 'IceCube' neutrino observatory deep in the ice of the South Pole has already brought spectacular new insights into cosmic incidents of extremely high energies. Astronomers observe the light that comes to us from distant celestial objects to explore the Universe. However, light does not tell us much about the highest energy events beyond our Galaxy, such as the jets of active galactic nuclei, gamma-ray bursts or supernovae, because photons in the upper gamma-ray range lose their extreme energies on their long way through the Universe through interaction with other particles.

Giant particle accelerator in the sky Posted: 10 Sep 2020 06:01 AM PDT A new study shows that electrons in the radiation belts can be accelerated to very high speeds locally. The study shows that magnetosphere works as a very efficient particle accelerator speeding up electrons to so-called ultra-relativistic energies.

New ultrafast yellow laser poised to benefit biomedical applications Posted: 10 Sep 2020 06:00 AM PDT Researchers have developed a new compact and ultrafast, high-power yellow laser. The tunable laser exhibits excellent beam quality and helps fill the need for a practical yellow light source emitting ultrafast pulses of light.

Positive results for ReWalk ReStore exosuit in stroke rehabilitation Posted: 10 Sep 2020 06:00 AM PDT Scientists at five sites tested the soft robotic wearable exosuit for safety, reliability and feasibility in gait rehabilitation for individuals with mobility impairment post-stroke.

Vibration device makes homes 'smart' by tracking appliances Posted: 10 Sep 2020 06:00 AM PDT To boost efficiency in typical households - where people forget to take wet clothes out of washing machines, retrieve hot food from microwaves and turn off dripping faucets - researchers have developed a single device that can track 17 types of appliances using vibrations.

Velcro-like food sensor detects spoilage and contamination Posted: 09 Sep 2020 12:45 PM PDT Engineers have designed a Velcro-like food sensor, made from an array of silk microneedles, that pierces through plastic packaging to sample food for signs of spoilage and bacterial contamination.

Sound waves replace human hands in petri dish experiments Posted: 09 Sep 2020 11:03 AM PDT Mechanical engineers have demonstrated a set of prototypes for manipulating particles and cells in a Petri dish using sound waves. The devices, known in the scientific community as 'acoustic tweezers,' are the first foray into making these types of tools, which have thus far been relegated to laboratories with specific equipment and expertise, available for use in a wide array of settings.

As collegiate esports become more professional, women are being left out Posted: 09 Sep 2020 08:49 AM PDT A new study finds the rapidly growing field of collegiate esports is effectively becoming a two-tiered system, with club-level programs that are often supportive of gender diversity being clearly distinct from well-funded varsity programs that are dominated by men.

Transistor-integrated cooling for a more powerful chip Posted: 09 Sep 2020 08:49 AM PDT Researchers have created a single chip that combines a transistor and micro-fluidic cooling system. Their research should help save energy and further shrink the size of electronic components.

How AI-controlled sensors could save lives in 'smart' hospitals and homes Posted: 09 Sep 2020 08:48 AM PDT Interdisciplinary researchers nationwide are developing AI systems that would go into hospital rooms and elder care homes, to weave 'ambient intelligence' into the places where health care is delivered in order to avoid fatal medical errors and improve therapeutic outcomes.

New method prevents quantum computers from crashing Posted: 09 Sep 2020 08:48 AM PDT Quantum information is fragile, which is why quantum computers must be able to correct errors. But what if whole qubits are lost? Researchers are now presenting a method that allows quantum computers to keep going even if they lose some qubits along the way.

Sampling the gut microbiome with an ingestible pill Posted: 09 Sep 2020 08:48 AM PDT Gut microbes affect human health, but there is still much to learn, in part because they're not easy to collect. But researchers now report that they have developed an ingestible capsule that in rat studies captured bacteria and other biological samples while passing through the gastrointestinal (GI) tract.

Magnetic whirls crystallize in two dimensions Posted: 09 Sep 2020 08:47 AM PDT New research paves the way for the investigation of two-dimensional phases and phase transitions.

New microfluidic device minimizes loss of high value samples Posted: 09 Sep 2020 05:59 AM PDT A major collaborative effort has resulted in a significant technical advance in X-ray crystallographic sample strategies.

New perception metric balances reaction time, accuracy Posted: 09 Sep 2020 05:59 AM PDT Researchers have developed a new metric for evaluating how well self-driving cars respond to changing road conditions and traffic, making it possible for the first time to compare perception systems for both accuracy and reaction time.

A new method for directed networks could help multiple levels of science Posted: 08 Sep 2020 05:05 PM PDT Researchers reveal a new method for analyzing hierarchies in complex networks and illustrate it by applications to economics, language and gene expression.

Chemotherapy drug more effective when combined with microbubbles Posted: 08 Sep 2020 01:21 PM PDT Hepatocellular carcinoma is usually treated by blocking the flow of blood to the tumor to induce cancer cell death, but the common treatment, transarterial chemoembolization, is invasive and too imprecise to be a local drug delivery method. Aiming to increase the precision, researchers created a treatment that involves vaporizing tiny droplets of perfluorocarbon, a common organic material composed of carbon and fluorine.

Boundaries no barrier for thermoelectricity Posted: 08 Sep 2020 10:11 AM PDT Researchers show how thermoelectricity hurdles some defects, but not others, in gold nanowires. The discovery has implications for making better thin-film electronic devices.

Meteorites show transport of material in early solar system Posted: 08 Sep 2020 10:11 AM PDT New studies of a rare type of meteorite show that material from close to the Sun reached the outer solar system even as the planet Jupiter cleared a gap in the disk of dust and gas from which the planets formed. The results add to an emerging understanding of how our Solar System formed and how planets form around other stars.

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