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Hardware

New memristor design uses built-in oxygen gradient to bring stability to reinforcement learning

In a recent study published in Nature Communications, researchers created a memristor that uses a built-in oxygen gradient to produce slow, stable conductance changes, enabling a reinforcement learning (RL) algorithm to learn ...

Energy & Green Tech

Breaking fuel cell barriers: New platinum catalyst brings high-efficiency hydrogen vehicles closer to commercialization

A research team has developed a next-generation platinum-based catalyst that improves both activity and durability in hydrogen fuel cells. The study is published in Advanced Materials. The team was led by Professor Sang Uck ...

Engineering

This paint changes colors when hit, revealing location and strength of impact

Imagine a paint that changes color depending on how hard its surface is hit. It could be used on football helmets to monitor concussion-level impacts, to record the handling history of shipped packages, or placed on insoles ...

Robotics

Introducing MirrorBot, a robot designed to foster human connection

While technology has made the world "smaller," it has also pulled individuals apart, thanks to mobile phones and other devices that command our attention. Cornell University researchers are using technology, in the form of ...

Technology news

Energy & Green Tech

How electric vehicles could back up the power system

Electric vehicles (EVs) could do more for our environment than simply replace gasoline. Published in Joule, a new assessment of EV charging strategies suggests that EVs could serve as a vast network of mobile batteries, storing ...

Computer Sciences

New AI testing method flags fairness risks in autonomous systems

Artificial intelligence is increasingly being used to help optimize decision-making in high-stakes settings. For instance, an autonomous system can identify a power distribution strategy that minimizes costs while keeping ...

Energy & Green Tech

Researchers measure traffic emissions, to the block, in real-time

In a study focused on New York City, MIT researchers have shown that existing sensors and mobile data can be used to generate a near real-time, high-resolution picture of auto emissions, which could be used to develop local ...

Security

Security vulnerability identified in EV charging protocol

Southwest Research Institute identified a security vulnerability in a standard protocol governing communications between electric vehicles (EV) and EV charging equipment. The research prompted the Cybersecurity & Infrastructure ...

Engineering

Seismic data can identify aircraft by type

Instruments typically used to detect the ground motion of earthquakes can also be used to identify the type of aircraft flying far overhead, research by University of Alaska Fairbanks scientists shows. That's because aircraft ...

Electronics & Semiconductors

Could atoms be reordered to enhance electronic devices?

The optical properties of a thin layer of the semiconductor germanium-tin (GeSn) sandwiched between barriers of silicon-germanium-tin (SiGeSn), a structure known as a quantum well, have been studied with a focus on improving ...

Robotics

Innovative underwater exoskeleton boosts diving efficiency

A research team led by Professor Wang Qining from the School of Advanced Manufacturing and Robotics, Peking University, has developed the world's first portable underwater exoskeleton system that assists divers' knee movement, ...

Engineering

A new quantitative rule for designing better batteries

A joint research team from The University of Osaka and Daikin Industries, Ltd. has identified a crucial new indicator for designing the advanced lithium-ion batteries. They discovered that the electrolyte lithium-ion chemical ...

Hi Tech & Innovation

AI at the speed of light just became a possibility

Researchers at Aalto University have demonstrated single-shot tensor computing at the speed of light, a remarkable step towards next-generation artificial general intelligence hardware powered by optical computation rather ...

Engineering

Unique resin allows 3D-printing method to add and subtract

Additive manufacturing, or 3D printing, is normally a one-way street. In a digital light processing (DLP) printer, a structured pattern is projected onto a layer of liquid resin, which cures and solidifies. This builds an ...