Computer Science: General
Published

Researchers unveil new way to counter mobile phone 'account takeover' attacks      (via sciencedaily.com)     Original source 

Computer science researchers have developed a new way to identify security weaknesses that leave people vulnerable to account takeover attacks, where a hacker gains unauthorized access to online accounts.

Chemistry: Biochemistry Computer Science: General Engineering: Nanotechnology Offbeat: Computers and Math Offbeat: General Physics: General
Published

DNA origami folded into tiny motor      (via sciencedaily.com)     Original source 

Scientists have created a working nanoscale electomotor. The science team designed a turbine engineered from DNA that is powered by hydrodynamic flow inside a nanopore, a nanometer-sized hole in a membrane of solid-state silicon nitride. The tiny motor could help spark research into future applications such as building molecular factories or even medical probes of molecules inside the bloodstream.

Computer Science: General Energy: Batteries Energy: Technology
Published

Self-powered sensor automatically harvests magnetic energy      (via sciencedaily.com)     Original source 

Researchers have designed a self-powering, battery-free, energy-harvesting sensor. Using the framework they developed, they produced a temperature sensor that can harvest and store the energy from the magnetic field that exists in the open air around a wire.

Chemistry: Biochemistry Chemistry: Organic Chemistry
Published

Physical processes can have hidden neural network-like abilities      (via sciencedaily.com)     Original source 

A new study shows that the physics principle of 'nucleation' can perform complex calculations that rival a simple neural network. The work may suggest avenues for new ways to think about computation using the principles of physics.

Chemistry: Organic Chemistry Energy: Alternative Fuels Energy: Technology Environmental: General
Published

Machine learning method speeds up discovery of green energy materials      (via sciencedaily.com)     Original source 

Researchers have developed a framework that uses machine learning to accelerate the search for new proton-conducting materials, that could potentially improve the efficiency of hydrogen fuel cells.

Chemistry: Biochemistry Chemistry: General Chemistry: Inorganic Chemistry Chemistry: Organic Chemistry
Published

Chemical synthesis: New strategy for skeletal editing on pyridines      (via sciencedaily.com)     Original source 

A team has introduced a strategy for converting carbon-nitrogen atom pairs in a frequently used ring-shaped compound into carbon-carbon atom pairs. The method has potential in the quest for active ingredients for new drugs, for example.

Chemistry: General Chemistry: Organic Chemistry Physics: General Physics: Optics
Published

Lighting the path: Exploring exciton binding energies in organic semiconductors      (via sciencedaily.com)     Original source 

Organic semiconductors are materials that find applications in various electronic devices. Exciton binding energy is an important attribute that influences the behavior of these materials. Now, researchers have employed advanced spectroscopic techniques to accurately determine these energies for various organic semiconductor materials, with a high precision of 0.1 electron volts. Their study reveals unexpected correlations that are poised to shape the future of organic optoelectronics, influence design principles, and find potential applications in bio-related materials.

Chemistry: Biochemistry Chemistry: General Chemistry: Organic Chemistry Energy: Batteries Energy: Technology Environmental: General Geoscience: Earth Science Geoscience: Geochemistry
Published

Next-generation batteries could go organic, cobalt-free for long-lasting power      (via sciencedaily.com)     Original source 

In the switch to 'greener' energy sources, the demand for rechargeable lithium-ion batteries is surging. However, their cathodes typically contain cobalt -- a metal whose extraction has high environmental and societal costs. Now, researchers in report evaluating an earth-abundant, carbon-based cathode material that could replace cobalt and other scarce and toxic metals without sacrificing lithium-ion battery performance.

Chemistry: General Chemistry: Organic Chemistry Energy: Batteries Energy: Technology Environmental: General Geoscience: Environmental Issues Geoscience: Geochemistry
Published

Cobalt-free batteries could power cars of the future      (via sciencedaily.com)     Original source 

A new battery material could offer a more sustainable way to power electric cars. The lithium-ion battery includes a cathode based on organic materials, instead of cobalt or nickel.

Computer Science: Artificial Intelligence (AI) Computer Science: General
Published

Study identifies new findings on implant positioning and stability during robotic-assisted knee revision surgery      (via sciencedaily.com)     Original source 

An innovative study explores the use of robotic-assisted joint replacement in revision knee scenarios, comparing the pre- and post-revision implant positions in a series of revision total knee arthroplasties (TKA) using a state-of-the-art robotic arm system.

Computer Science: General Physics: General Physics: Optics
Published

Ultrafast laser pulses could lessen data storage energy needs      (via sciencedaily.com)     Original source 

A discovery from an experiment with magnetic materials and ultrafast lasers could be a boon to energy-efficient data storage.

Biology: Biochemistry Biology: Biotechnology Biology: Cell Biology Biology: General Biology: Genetics Biology: Microbiology Biology: Molecular Chemistry: Biochemistry Chemistry: Organic Chemistry Physics: Optics
Published

Glowing COVID-19 diagnostic test prototype produces results in one minute      (via sciencedaily.com)     Original source 

Cold, flu and COVID-19 season brings that now-familiar ritual: swab, wait, look at the result. But what if, instead of taking 15 minutes or more, a test could quickly determine whether you have COVID-19 with a glowing chemical? In a new study, researchers describe a potential COVID-19 test inspired by bioluminescence. Using a molecule found in crustaceans, they have developed a rapid approach that detects SARS-CoV-2 protein comparably to one used in vaccine research.

Computer Science: General
Published

New deepfake detector designed to be less biased      (via sciencedaily.com)     Original source 

New algorithms close the gap in deepfake detectors' accuracy across races and genders.

Chemistry: General Chemistry: Inorganic Chemistry Chemistry: Organic Chemistry Energy: Alternative Fuels Energy: Technology
Published

Study reveals a reaction at the heart of many renewable energy technologies      (via sciencedaily.com)     Original source 

Chemists have mapped how proton-coupled electron transfers happen at the surface of an electrode. Their results could help researchers design more efficient fuel cells, batteries, or other energy technologies.

Computer Science: Artificial Intelligence (AI) Computer Science: General Computer Science: Virtual Reality (VR) Engineering: Robotics Research
Published

'Smart glove' can boost hand mobility of stroke patients      (via sciencedaily.com)     Original source 

This month, a group of stroke survivors in British Columbia will test a new technology designed to aid their recovery, and ultimately restore use of their limbs and hands. Participants will wear a new groundbreaking 'smart glove' capable of tracking their hand and finger movements during rehabilitation exercises.

Chemistry: Biochemistry Chemistry: Organic Chemistry Engineering: Nanotechnology
Published

Cryo-microscopy reveals nano-sized copy machine implicated in origin of life      (via sciencedaily.com)     Original source 

RNA is thought to have sparked the origin of life by self-copying. Researchers have now revealed the atomic structure of an 'RNA copy machine' through cryo-EM. This breakthrough sheds light on a primordial RNA world and fuels advancements in RNA nanotechnology and medicine.

Chemistry: Biochemistry Chemistry: General Chemistry: Organic Chemistry Physics: Optics
Published

The power of pause: Controlled deposition for effective and long-lasting organic devices      (via sciencedaily.com)     Original source 

In organic optoelectronic devices, the control of molecular deposition on thin films is important for optimal surface arrangement and device performance. In a recent study, researchers developed a new method for achieving stable deposition on thin films effectively. They also developed a tool to track real-time potential changes on the surface. These findings are expected to aid the improvement of organic devices, such as organic light-emitting diodes, in terms of efficacy and durability.

Chemistry: Biochemistry Chemistry: General Chemistry: Inorganic Chemistry Chemistry: Organic Chemistry
Published

Core-shell 'chemical looping' boosts efficiency of greener approach to ethylene production      (via sciencedaily.com)     Original source 

Oxidative coupling of methane (OCM) is now one step closer to leaving the lab and entering the real world. Researchers have developed an OCM catalyst that exceeds 30 percent when it comes to the production of ethylene.

Chemistry: Biochemistry Chemistry: General Chemistry: Inorganic Chemistry Chemistry: Organic Chemistry
Published

New catalytic technique creates key component of incontinence drug in less time      (via sciencedaily.com)     Original source 

Researchers have developed a unique catalyst that promises to revolutionize drug synthesis. It overcomes a common problem associated with the production of drugs from ketones. Using their catalyst, the researchers synthesized a key component of the commonly used incontinence drug oxybutynin. Their results underscore the potential of the catalyst to improve drug discovery and development.