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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

Your car's tire sensors could be used to track you

Researchers at IMDEA Networks Institute, together with European partners, have found that tire pressure sensors in modern cars can unintentionally expose drivers to tracking. Over a ten-week study, they collected signals ...

Engineering

Industrial TOPCon solar cells hit 26.66% efficiency record

Crystalline silicon solar cells currently dominate the global photovoltaic industry, with tunnel oxide passivating contact (TOPCon) technology—a type of architecture within this product segment—rapidly gaining market share ...

Computer Sciences

How AI could help make society less selfish

The Care Bears taught a generation of kids that sharing is caring, but not everyone has carried this principle into adulthood. Researchers at Michigan State University have found a new angle to promote cooperation: artificial ...

Electronics & Semiconductors

Borrowing from biology to power next-gen data storage

DNA, the genetic blueprints in every living organism, is nature's most efficient storage mechanism, capable of storing about 215 million gigabytes of data per gram. That storage capacity, if applied to electronics, could ...

Robotics

Rise of the rice robots—creating active smart materials

Rice becomes weaker when compressed quickly, while staying stronger under slow pressure—a discovery enabling scientists to design a new material that could be used to build "soft" robots that change stiffness automatically ...