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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 ...

Machine learning & AI

Small changes make some AI systems more brain-like than others

Artificial intelligence systems that are designed with a biologically inspired architecture can simulate human brain activity before ever being trained on any data, according to new research from Johns Hopkins University.

Electronics & Semiconductors

Green electronics: Smart sensor tag protects sensitive goods

Researchers from Empa, EPFL and CSEM have developed a green smart sensing tag that measures temperature and humidity in real time—and can also detect whether a temperature threshold has been exceeded. In the future, this ...

Computer Sciences

Researchers extend tensor programming to the continuous world

When the FORTRAN programming language debuted in 1957, it transformed how scientists and engineers programmed computers. Complex calculations could suddenly be expressed in concise, math-like notation using arrays—collections ...

Engineering

Climate-friendly metals can come from deep-sea ores

The demand for metals will increase significantly in the coming years, primarily because the climate-friendly transformation of the economy is only possible through the electrification of industrial processes, transport and ...

Electronics & Semiconductors

Mirror-image molecules boost organic solar cell performance

Organic solar cells are made from conductive polymers, which makes them cheap, light, and flexible. However, one drawback is that their efficiency lags behind the best silicon devices—but this may soon change—as researchers ...