Computers

Electrons inhabit a strange and topsy-turvy world. These infinitesimally small particles have never ceased to amaze and mystify despite the more than a century that scientists have studied them. Now, in an even more amazing twist, physicists have discovered that, under certain conditions, interacting electrons can create what are called "topological quantum states." This … [Read more...] about ‘Magic’ angle graphene and the creation of unexpected topological quantum states

The team, led by Bristol researcher and Phasecraft co-founder, Dr. Ashley Montanaro, has discovered algorithms and analysis which significantly lessen the quantum hardware capability needed to solve problems which go beyond the realm of classical computing, even supercomputers. In the paper, published in Physical Review B, the team demonstrates how optimised quantum algorithms … [Read more...] about Significant step toward quantum advantage: Optimised quantum algorithms present solution to Fermi-Hubbard model on near-term hardware

During the opening ceremonies of the 2018 Winter Olympics, held in PyeongChang, South Korea, Russian hackers launched a cyberattack that disrupted television and internet systems at the games. The incident was resolved quickly, but because Russia used North Korean IP addresses for the attack, the source of the disruption was unclear in the event's immediate aftermath. There is … [Read more...] about A better kind of cybersecurity strategy: New model shows why countries that retaliate too much against online attacks make things worse for themselves

A team of New Jersey researchers has shown that gait training using robotic exoskeletons improved motor function in adolescents and young adults with acquired brain injury. The article, "Kinetic gait changes after robotic exoskeleton training in adolescents and young adults with acquired brain injury" was published October 28, 2020 in Applied Bionics and Biomechanics. The … [Read more...] about Robotic exoskeleton training improves walking in adolescents with acquired brain injury: New Jersey researchers find potential for gait training using robotic exoskeletons in the rehabilitation of adolescents and young adults with hemiparesis caused by acquired brain injury

Be it with smartphones, laptops, or mainframes: The transmission, processing, and storage of information is currently based on a single class of material -- as it was in the early days of computer science about 60 years ago. A new class of magnetic materials, however, could raise information technology to a new level. Antiferromagnetic insulators enable computing speeds that … [Read more...] about Faster and more efficient information transfer: Physicists use antiferromagnetic rust to carry information over long distances at room temperature

University at Buffalo researchers are reporting a new, two-dimensional transistor made of graphene and the compound molybdenum disulfide that could help usher in a new era of computing. As described in a paper accepted at the 2020 IEEE International Electron Devices Meeting, which is taking place virtually next week, the transistor requires half the voltage of current … [Read more...] about Atom-thin transistor uses half the voltage of common semiconductors, boosts current density: The two-dimensional structure could by key for quantum computing, extending Moore’s Law

A new technology, called Artificial Chemist 2.0, allows users to go from requesting a custom quantum dot to completing the relevant R&D and beginning manufacturing in less than an hour. The tech is completely autonomous, and uses artificial intelligence (AI) and automated robotic systems to perform multi-step chemical synthesis and analysis. Quantum dots are colloidal … [Read more...] about Artificial Chemist 2.0: quantum dot R&D in less than an hour

A joint research led by City University of Hong Kong (CityU) has built an ultralow-power consumption artificial visual system to mimic the human brain, which successfully performed data-intensive cognitive tasks. Their experiment results could provide a promising device system for the next generation of artificial intelligence (AI) applications. The research team is led by … [Read more...] about Artificial visual system of record-low energy consumption for the next generation of AI

In ecology, millions of species interact in billions of different ways between them and with their environment. Ecosystems often seem chaotic, or at least overwhelming for someone trying to understand them and make predictions for the future. Artificial intelligence and machine learning are able to detect patterns and predict outcomes in ways that often resemble human … [Read more...] about Artificial intelligence helps scientists develop new general models in ecology

Scientists at the University of Bath have developed a quick and easy approach for capturing 360° VR photography without using expensive specialist cameras. The system uses a commercially available 360° camera on a rotating selfie stick to capture video footage and create an immersive VR experience. Virtual reality headsets are becoming increasingly popular for gaming, and with … [Read more...] about Create a realistic VR experience using a normal 360-degree camera