You are here

Computers and Math from Science Daily Feed

Subscribe to Computers and Math from Science Daily Feed feed Computers and Math from Science Daily Feed
Hacking and computer security. Read today's research news on hacking and protecting against codebreakers. New software, secure data sharing, and more.
Updated: 1 hour 48 min ago

GPT-4 for identifying cell types in single cells matches and sometimes outperforms expert methods

Mon, 03/25/2024 - 2:24pm
GPT-4 can accurately interpret types of cells important for the analysis of single-cell RNA sequencing -- a sequencing process fundamental to interpreting cell types -- with high consistency compared to that of time-consuming manual annotation by human experts of gene information.
Categories: Science

Pairing crypto mining with green hydrogen offers clean energy boost

Mon, 03/25/2024 - 2:24pm
Pairing cryptocurrency mining -- notable for its outsize consumption of carbon-based fuel -- with green hydrogen could provide the foundation for wider deployment of renewable energy, such as solar and wind power, according to a new study.
Categories: Science

Pushing back the limits of optical imaging by processing trillions of frames per second

Mon, 03/25/2024 - 10:57am
Pushing for a higher speed isn't just for athletes. Researchers, too, can achieve such feats with their discoveries. A new device called SCARF (for swept-coded aperture real-time femtophotography) can capture transient absorption in a semiconductor and ultrafast demagnetization of a metal alloy. This new method will help push forward the frontiers of knowledge in a wide range of fields, including modern physics, biology, chemistry, materials science, and engineering.
Categories: Science

Scientists deliver quantum algorithm to develop new materials and chemistry

Mon, 03/25/2024 - 10:50am
Scientists published the Cascaded Variational Quantum Eigensolver (CVQE) algorithm in a recent article, expected to become a powerful tool to investigate the physical properties in electronic systems.
Categories: Science

The world is one step closer to secure quantum communication on a global scale

Mon, 03/25/2024 - 8:42am
Researchers have brought together two Nobel prize-winning research concepts to advance the field of quantum communication. Scientists can now efficiently produce nearly perfect entangled photon pairs from quantum dot sources.
Categories: Science

Rectifying AI's usage in the quest for thermoelectric materials

Mon, 03/25/2024 - 8:41am
AI is revolutionizing the way researchers seek to identify new materials, but it still has some shortcomings. Now, a team of researchers has navigated AI's pitfalls to identify a thermoelectric material that boasts remarkable properties.
Categories: Science

Quantum interference could lead to smaller, faster, and more energy-efficient transistors

Mon, 03/25/2024 - 8:41am
Scientists made a single-molecule transistor using quantum interference to control electron flow. This new design offers high on/off ratio and stability, potentially leading to smaller, faster, and more energy-efficient devices. Quantum interference also improves the transistor's sensitivity to voltage changes, further boosting its efficiency.
Categories: Science

Novel quantum algorithm for high-quality solutions to combinatorial optimization problems

Mon, 03/25/2024 - 8:41am
Conventional quantum algorithms are not feasible for solving combinatorial optimization problems (COPs) with constraints in the operation time of quantum computers. To address this issue, researchers have developed a novel algorithm called post-processing variationally scheduled quantum algorithm. The novelty of this innovative algorithm lies in the use of a post-processing technique combined with variational scheduling to achieve high-quality solutions to COPs in a short time.
Categories: Science

Semiconductors at scale: New processor achieves remarkable speed-up in problem solving

Mon, 03/25/2024 - 8:41am
Annealing processors are crucial for solving combinatorial optimization problems. However, they face scalability challenges due to the complexity of required architecture. TUS researchers have now designed a scalable, fully-coupled processor with 4096 spins and parallel processing capabilities. It demonstrates superior performance and power efficiency compared to traditional devices. The research team aims to develop a 2050-level quantum computer computing system by 2030, potentially revolutionizing digital industries without relying on extensive infrastructure or cloud support.
Categories: Science

Downscaling storage devices: Magnetic memory based on the chirality of spiral magnets

Fri, 03/22/2024 - 11:54am
A team of researchers has proposed a new concept for magnet-based memory devices, which might revolutionize information storage devices owing to their potential for large-scale integration, non-volatility, and high durability.
Categories: Science

Physicists develop modeling software to diagnose serious diseases

Fri, 03/22/2024 - 11:54am
Researchers have recently published FreeDTS -- a shared software package designed to model and study biological membranes at the mesoscale -- the scale 'in between' the larger macro level and smaller micro level. This software fills an important missing software among the available biomolecular modeling tools and enables modeling and understanding of many different biological processes involving the cellular membranes e.g. cell division.
Categories: Science

Researchers invent artificial intelligence model to design new superbug-fighting antibiotics

Fri, 03/22/2024 - 11:54am
Researchers at McMaster University and Stanford University have invented a new generative artificial intelligence model which can design billions of new antibiotic molecules that are inexpensive and easy to build in the laboratory.
Categories: Science

N-channel diamond field-effect transistor

Thu, 03/21/2024 - 12:53pm
A research team has developed an n-channel diamond MOSFET (metal-oxide-semiconductor field-effect transistor). The developed n-channel diamond MOSFET provides a key step toward CMOS (complementary metal-oxide-semiconductor: one of the most popular technologies in the computer chip) integrated circuits for harsh-environment- applications as well as the development of diamond power electronics.
Categories: Science

AI can now detect COVID-19 in lung ultrasound images

Wed, 03/20/2024 - 1:06pm
Artificial intelligence can spot COVID-19 in lung ultrasound images much like facial recognition software can spot a face in a crowd, new research shows. The findings boost AI-driven medical diagnostics and bring health care professionals closer to being able to quickly diagnose patients with COVID-19 and other pulmonary diseases with algorithms that comb through ultrasound images to identify signs of disease.
Categories: Science

Verifying the work of quantum computers

Wed, 03/20/2024 - 1:05pm
Researchers have invented a new method by which classical computers can measure the error rates of quantum machines without having to fully simulate them.
Categories: Science

Universal controller could push robotic prostheses, exoskeletons into real-world use

Wed, 03/20/2024 - 1:04pm
A team of researchers has developed a universal approach to controlling robotic exoskeletons that requires no training, no calibration, and no adjustments to complicated algorithms. Instead, users can don the 'exo' and go. Their system uses a kind of artificial intelligence called deep learning to autonomously adjust how the exoskeleton provides assistance, and they've shown it works seamlessly to support walking, standing, and climbing stairs or ramps.
Categories: Science

Quantum talk with magnetic disks

Wed, 03/20/2024 - 1:04pm
Quantum computers promise to tackle some of the most challenging problems facing humanity today. While much attention has been directed towards the computation of quantum information, the transduction of information within quantum networks is equally crucial in materializing the potential of this new technology. Addressing this need, a research team is now introducing a new approach for transducing quantum information: the team has manipulated quantum bits, so called qubits, by harnessing the magnetic field of magnons -- wave-like excitations in a magnetic material -- that occur within microscopic magnetic disks.
Categories: Science

Robotic metamaterial: An endless domino effect

Wed, 03/20/2024 - 9:26am
If it walks like a particle, and talks like a particle... it may still not be a particle. A topological soliton is a special type of wave or dislocation which behaves like a particle: it can move around but cannot spread out and disappear like you would expect from, say, a ripple on the surface of a pond. Researchers now demonstrate the atypical behavior of topological solitons in a robotic metamaterial, something which in the future may be used to control how robots move, sense their surroundings and communicate.
Categories: Science

Metamaterials and AI converge, igniting innovative breakthroughs

Wed, 03/20/2024 - 9:24am
Scientists unveil next-generation research trends in metaphotonics platforms with AI.
Categories: Science

ChatGPT is an effective tool for planning field work, school trips and even holidays

Wed, 03/20/2024 - 9:24am
A new study suggests anyone looking to shake off the winter blues by planning the perfect getaway should turn to ChatGPT.
Categories: Science

Pages