ScienceDaily: Computers & Math News |
| One particle on two paths: Quantum physics is right Posted: 11 May 2022 09:35 AM PDT The famous double slit experiment shows that particles can travel on two paths at the same time -- but only by looking at a lot of particles and analysing the results statistically. Now a two-path-interference experiment has been designed that only has to measure one specific particle to prove that it travelled on two paths. |
| Laser bursts drive extremely fast logic gates Posted: 11 May 2022 09:35 AM PDT By clarifying the role of 'real' and 'virtual' charge carriers in laser-induced currents, researchers have taken a decisive step toward creating ultrafast computers. |
| Scientists discovers new properties of magnetism that could change our computers Posted: 11 May 2022 07:28 AM PDT A fundamental property of magnetism has been disclosed through new research. The discovery may be key to development of a new generation of powerful computers. |
| Researchers find way to form diodes from superconductors Posted: 11 May 2022 07:27 AM PDT Researchers have demonstrated how a heterostructure consisting of superconductors and magnets can be used to create uni-directional current like that found in semiconductor diodes. |
| Posted: 11 May 2022 06:22 AM PDT Learning from others can mitigate harmful risk aversion, even if the others we learn from tend to avoid risky, but profitable decisions themselves. This is shown in mathematical modelling and large-scale online experiments by social psychologists. |
| Small, mini, nano: Gear units created from a few atoms Posted: 11 May 2022 05:57 AM PDT Ever smaller and more intricate -- without miniaturization, we wouldn't have the components today that are required for high-performance laptops, compact smartphones or high-resolution endoscopes. Research is now being carried out in the nanoscale on switches, rotors or motors that comprise of only a few atoms in order to build what are known as molecular machines. |
| Machine learning framework IDs targets for improving catalysts Posted: 11 May 2022 05:57 AM PDT Chemists have developed a new machine-learning (ML) framework that can zero in on which steps of a multistep chemical conversion should be tweaked to improve productivity. The approach could help guide the design of catalysts -- chemical 'dealmakers' that speed up reactions. |
| Computational sleuthing confirms first 3D quantum spin liquid Posted: 10 May 2022 01:34 PM PDT Computational detective work by physicists has confirmed cerium zirconium pyrochlore is a 3D quantum spin liquid, a solid material in which quantum entanglement and the geometric arrangement of atoms cause electrons to fluctuate between quantum magnetic states no matter how cold they become. |
| Wireless performance consistent across 5G millimeter-wave bands Posted: 10 May 2022 09:24 AM PDT Settling a key dispute in the wireless communications field, researchers found that transmission performance is consistent across different bands of the millimeter-wave (mmWave) spectrum targeted for high-speed, data-rich 5G systems. |
| Spintronics: How an atom-thin insulator helps transport spins Posted: 10 May 2022 07:29 AM PDT An intermediate layer consisting of a few atoms is helping to improve the transport of spin currents from one material to another. Until now, this process involves significant losses. A team reports on how this can be avoided. The researchers thus demonstrate important new insights relevant for many spintronic applications, for example energy-efficient and ultra-fast storage technologies of the future. |
| AI predicts infant age, gender based on temperament Posted: 10 May 2022 07:28 AM PDT A new study used machine learning to classify infants as either male or female at 0-24 weeks of age, 24-48 weeks of age and older than 48 weeks based off 14 temperament dimensions. Accuracy rates increased with age, ranging from a low of 38% for age group one, to 57% for age group three. |
| Head, body, eye coordination conserved across animal kingdom Posted: 10 May 2022 07:28 AM PDT Fruit flies synchronize the movements of their heads and bodies to stabilize their vision and fly effectively, according to researchers who utilized virtual-reality flight simulators. The finding appears to hold true in primates and other animals, the researchers say, indicating that animals evolved to move their eyes and bodies independently to conserve energy and improve performance. This understanding could inform the design of advanced mobile robots. |
| Hidden distortions trigger promising thermoelectric property Posted: 09 May 2022 04:15 PM PDT A study describes a new mechanism for lowering thermal conductivity to aid the search for materials that convert heat to electricity or electricity to heat. Scientists describe the previously hidden sub-nanoscale origins of exceptional thermoelectric properties in silver gallium telluride. The discovery reveals a quantum mechanical twist on what drives the emergence of these properties -- and opens up a completely new direction for searching for new high-performance thermoelectrics. |
| Ultrafast 'camera' captures hidden behavior of potential 'neuromorphic' material Posted: 09 May 2022 12:07 PM PDT Imagine a computer that can think as fast as the human brain while using very little energy. That's the goal of scientists seeking to discover or develop 'neuromorphic' materials that can send and process signals as easily as the brain's neurons and synapses. In a paper just published scientists describe surprising new details about vanadium dioxide, one of the most promising neuromorphic materials. |
| 'Self-driving' microscopes discover shortcuts to new materials Posted: 09 May 2022 12:07 PM PDT Researchers are teaching microscopes to drive discoveries with an intuitive algorithm that could guide breakthroughs in new materials for energy technologies, sensing and computing. |
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