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ScienceDaily: Computers & Math News |
| How statistics can aid in the fight against misinformation Posted: 02 Dec 2021 01:21 PM PST Mathematicians created a statistical model that can be used to detect misinformation in social posts. |
| Twisting elusive quantum particles with a quantum computer Posted: 02 Dec 2021 12:39 PM PST While the number of qubits and the stability of quantum states are still limiting current quantum computing devices, there are questions where these processors are already able to leverage their enormous computing power. Scientists used a quantum processor to simulate the ground state of a so-called toric code Hamiltonian -- an archetypical model system in modern condensed matter physics, which was originally proposed in the context of quantum error correction. |
| Artificial material protects light states on smallest length scales Posted: 02 Dec 2021 11:15 AM PST Light not only plays a key role as an information carrier for optical computer chips, but also in particular for the next generation of quantum computers. Its lossless guidance around sharp corners on tiny chips and the precise control of its interaction with other light are the focus of research worldwide. Scientists have now demonstrated the spatial confinement of a light wave to a point smaller than the wavelength in a 'topological photonic crystal.' |
| Physicists exploit space and time symmetries to control quantum materials Posted: 02 Dec 2021 11:15 AM PST Physicists have developed a theory describing how space reflection and time reversal symmetries can be exploited, allowing for greater control of transport and correlations within quantum materials. |
| Light-powered soft robots could suck up oil spills Posted: 02 Dec 2021 11:15 AM PST A floating, robotic film could be trained to hoover oil spills at sea or remove contaminants from drinking water. |
| Predicting protein-protein interactions Posted: 02 Dec 2021 11:15 AM PST Scientists have collaborated to build a structurally-motivated deep learning method built from recent advances in neural language modeling. The team's deep-learning model, called D-SCRIPT, was able to predict protein-protein interactions (PPIs) from primary amino acid sequences. |
| Never-before-seen state of matter: Quantum spin liquids Posted: 02 Dec 2021 11:14 AM PST Physicists said they have finally experimentally documented quantum spin liquids, a long sought-after exotic state of matter. The work marks a big step toward being able to produce this elusive state on demand and to gain a novel understanding of its mysterious nature. |
| Color-changing magnifying glass gives clear view of infrared light Posted: 02 Dec 2021 11:14 AM PST By trapping light into tiny crevices of gold, researchers have coaxed molecules to convert invisible infrared into visible light, creating new low-cost detectors for sensing. |
| Green information technologies: Superconductivity meets spintronics Posted: 02 Dec 2021 10:24 AM PST Superconducting coupling between two regions separated by a one micron wide ferromagnetic compound has been proved by an international team. This macroscopic quantum effect, known as Josephson effect, generates an electrical current within the ferromagnetic compound made of superconducting Cooper-pairs. Magnetic imaging of the ferromagnetic region at BESSY II has contributed to demonstrate that the spin of the electrons forming the Cooper pairs are equal. These results pave the way for low-power consumption superconducting spintronic-applications where spin-polarized currents can be protected by quantum coherence. |
| How digital and molecular data can be integrated and used to improve health Posted: 02 Dec 2021 07:21 AM PST Analysing molecular characteristics and their variation during lifestyle changes, by combining digital tools, classical laboratory tests and new biomolecular measurements, could enable individualised prevention of disease. The researchers show what a proactive healthcare model could comprise and how it could help in maintaining good health. |
| Improving perceptions of emerging technologies can help ease strain on health-care systems Posted: 02 Dec 2021 06:29 AM PST More attention must be paid to improving perceptions of emerging technologies like AI-powered symptom checkers, which could ease the strain on health-care systems, according to a recent study. |
| Which role models are best for STEM? Researchers offer recommendations in new analysis Posted: 01 Dec 2021 05:39 PM PST An analysis of the effect role models have on students' motivation in studying STEM subjects points to new ways to deploy these leaders in order to encourage learning across different populations. |
| 'My robot is a softie': Physical texture influences judgments of robot personality Posted: 01 Dec 2021 05:39 PM PST Researchers have found that the physical texture of robots influenced perceptions of robot personality. Furthermore, first impressions of robots, based on physical appearance alone, could influence the relationship between physical texture and robot personality formation. This work could facilitate the development of robots with perceived personalities that match user expectations. |
| Engineers create perching bird-like robot Posted: 01 Dec 2021 11:53 AM PST With feet and legs like a peregrine falcon, engineers have created a robot that can perch and carry objects like a bird. |
| Shrinking qubits for quantum computing with atom-thin materials Posted: 30 Nov 2021 02:39 PM PST Current approaches to create superconducting qubits for quantum computers yield chips that are substantially larger than those found in classical computers. To shrink things down, researchers have taken advantage of atomically thin, 2D materials to construct the necessary capacitors for superconducting qubits. Their two-qubit chip is 1,000x smaller than those made with conventional fabrication techniques. |
| Quantum computers getting connected Posted: 30 Nov 2021 07:11 AM PST Research into superfast quantum computers is now well advanced, but it is not yet possible to connect the individual processors. An international research team has now shown a way to scale quantum computers using nanophotonic silicon carbide structures to solve the problems. |
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