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Energy & Green Tech

Integer addition algorithm could reduce energy needs of AI by 95%

A team of engineers at AI inference technology company BitEnergy AI reports a method to reduce the energy needs of AI applications by 95%. The group has published a paper describing their new technique on the arXiv preprint ...

Engineering

Rooftop solar panels impact temperatures during the day and night in cities, simulation study shows

Widespread coverage of building rooftops with conventional photovoltaic solar panels may increase temperatures on hot days and lower them at night, says new modeling.

Engineering

A quick and easy way to produce anode materials for sodium-ion batteries using microwaves

A research team has developed a process technology that enables ultrafast, 30-second preparation of hard carbon anodes for sodium-ion batteries using microwave induction heating.

Engineering

Dragonfly wing pattern reinforces vaults and domes better than ancient Roman and tech-generated methods

Skoltech researchers and their colleagues from the University of Granada, Spain, have determined the most efficient ways to reinforce vaults and domes in architecture. The team compared how well various traditional and unconventional ...

Robotics

How to help humans understand robots

Scientists who study human-robot interaction often focus on understanding human intentions from a robot's perspective, so the robot learns to cooperate with people more effectively. But human-robot interaction is a two-way ...

Energy & Green Tech

These solar panels pull in water vapor to grow crops in the desert

Using a unique hydrogel, scientists in Saudi Arabia created a solar-driven system that successfully grows spinach by using water drawn from the air while producing electricity. The proof-of-concept design, described March ...

Engineering

Deciphering behavior algorithms used by ants and the internet

Engineers sometimes turn to nature for inspiration. Cold Spring Harbor Laboratory Associate Professor Saket Navlakha and research scientist Jonathan Suen have found that adjustment algorithms—the same feedback control process ...

Computer Sciences

Injecting fairness into machine-learning models

If a machine-learning model is trained using an unbalanced dataset, such as one that contains far more images of people with lighter skin than people with darker skin, there is serious risk the model's predictions will be ...

Computer Sciences

A math model to predict COVID-19 vaccine efficacy

COVID-19 vaccines have been a game-changer in the current pandemic. Several vaccine candidates have conferred a high degree of protection, with some reducing the number of symptomatic infections by over 95% in clinical trials. ...

Energy & Green Tech

Clues to better batteries emerge from tracking lithium

Pure lithium metal is a promising replacement for the graphite-based anodes currently used in electric vehicle batteries. It could tremendously reduce battery weights and dramatically extend the driving range of electric ...

Hi Tech & Innovation

AeroSHARK thin film reduces drag on airplanes

A collaboration between engineers at Lufthansa Technik and chemicals and coatings manufacturer BASF has resulted in the creation of AeroSHARK—a thin film coating that can be applied to an aircraft's outer skin to reduce ...

Machine learning & AI

Artificial intelligence listens to the sound of healthy machines

Sounds provide important information about how well a machine is running. ETH researchers have now developed a new machine learning method that automatically detects whether a machine is "healthy" or requires maintenance.

Electronics & Semiconductors

Separator key when it comes to 'stable' vs. 'safe' battery

Research from the lab of Peng Bai, assistant professor of energy, environmental and chemical engineering at the McKelvey School of Engineering at Washington University in St. Louis, recently revealed the formula for building ...