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Energy & Green Tech

Ultra-thin membrane enables high-efficiency hydrogen fuel cells for transport and industry

Engineers have developed a new ultra-thin membrane that allows fuel cells to operate more efficiently at high temperatures by enabling proton transport without water, overcoming a key limitation in clean energy technologies.

Energy & Green Tech

Researchers establish minimum effective coating thickness for longer-lasting solid-state EV batteries

Sulfide-based all-solid-state batteries (ASSBs), which use a solid electrolyte instead of a liquid one, are emerging as a promising way to overcome the safety and energy-density limitations of conventional lithium-ion batteries. ...

Consumer & Gadgets

Humans are bad at making complex decisions. AI can call them out

When a list of pros and cons won't cut it, a new decision-making tool developed by Cornell researchers can use artificial intelligence to help make difficult decisions. But there's a twist: Instead of checking AI's result, ...

Computer Sciences

A single real-world data point may stop AI model collapse, analysis suggests

New work explaining the inner workings of artificial intelligence could provide a way around the threat of AI "model collapse," potentially averting growing numbers of AI hallucinations in the future.

Technology news

Computer Sciences

Blind ambition: AI agents can turn tasks into digital disasters

Computer scientists at UC Riverside have identified troubling flaws in a new generation of artificial intelligence (AI) agents designed to take over routine computer chores while users are away—sorting emails, organizing ...

Hi Tech & Innovation

Designing better quantum circuits with AI

Researchers from the group of theoretical physicist Hans Briegel have collaborated with NVIDIA to develop an AI method that automatically generates efficient quantum circuits, a key bottleneck in making quantum computers ...

Energy & Green Tech

Electricity could produce cement with almost no carbon footprint

As the world works to alter the trajectory of climate change, most attention focuses on reducing humanity's reliance on fossil fuels and lowering greenhouse gas emissions. Yet a major source of carbon dioxide (CO2) is cement ...

Robotics

Honeybees teach drones how to navigate

It sounds like science fiction, but also strangely familiar: drones buzzing around, inspecting tomatoes in greenhouses, delivering your package or inspecting an industrial site. With all the talk about drone-swarms, development ...

Engineering

Smart yarn tracks muscle activity in the body

Created from noise-resistant, conductive threads, a high-tech new smart fabric could find uses in health monitoring, sports performance and rehabilitation. The work is published in the journal Science Advances.

Consumer & Gadgets

Asking AI to act like an expert can make it less reliable

To get the best out of AI, some users tell it to provide answers as if it were an expert. Others ask it to adopt a persona, such as a safety monitor, to guide its responses. However, this approach can sometimes hurt performance, ...

Engineering

Why solid-state batteries keep short-circuiting

Batteries that use solid metal as their charge-carrying electrolyte could potentially be a safer and far more energy-dense alternative to lithium-ion batteries. Unfortunately, these solid-state batteries have been plagued ...

Engineering

Harvesting heat and electricity from the sun, when you need it

Solar energy is abundant and frustratingly ill-timed. A sunbeam can become either electricity (useful for running modern life) or heat (useful for keeping spaces warm). But conventional solar hardware is single-minded: Photovoltaic ...

Engineering

Mach 1.5 tests reveal noise feedback loops from supersonic jets

Researchers from the FAMU-FSU College of Engineering and the Florida Center for Advanced Aero-Propulsion, or FCAAP, are helping to solve a safety challenge in military aviation: the extreme noise generated by supersonic jets ...

Engineering

New bifacial solar cells yield efficiencies above 32%

Solar cells, devices that can convert sunlight into electricity, are now widely used in many countries worldwide. Over the past few years, energy engineers have been exploring alternative designs that could further boost ...