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AI often passes for human, but asking follow-up questions can trip it up
Reading a conversation and deciding whether a chatbot wrote it can be surprisingly difficult. In a study involving more than 72,000 judgments of human and AI responses, participants frequently mistook machine-generated captions, ...
21 hours ago
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Electronics & Semiconductors
Record-setting 2.75 gigahertz LED designed for fast, energy-efficient data centers
A collaboration between the University of Illinois Urbana-Champaign's Grainger College of Engineering and the University of Notre Dame has broken the world record for optical switching speed in quantum well LEDs. The gallium ...
12 hours ago
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New virtual assistant streamlines one of the most advanced microscopes
Some of the most important discoveries in materials science and structural biology come down to a simple question: Where, exactly, are the atoms? The arrangement of atoms determines nearly everything about how a material ...
14 hours ago
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Improving AI-generated images, pixel by pixel
If you have ever used an artificial intelligence text-to-image generator like ChatGPT or Google Gemini, you may have encountered a common but maddening problem: The image looks nearly perfect, but when you ask the AI to fix ...
16 hours ago
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Titanium boosts thermoelectric performance of thin films by 250-fold
Every electronic device, factory and vehicle generates heat that often goes to waste. What if that energy could be recovered to generate electricity using thin films manufactured without high-temperature processing? Researchers ...
17 hours ago
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Engineering
Cracks that carry current: Liquid metal forms electrical pathways in soft materials
When electronics need to stretch, bend or flex, like a wearable sensor or a shape-changing robot, liquid metal often carries the electricity that makes them work.
18 hours ago
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Business
Real-time battery monitoring helps streamline crucial manufacturing step
Cornell researchers, working with upstate New York battery company Charge CCCV, also known as C4V, have developed a real-time diagnostic approach to improve one of the most expensive and time-consuming stages of lithium-ion ...
18 hours ago
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Technology news
Software
Social.Wiki lets users reshape social apps without losing their connections
A user who is frustrated with changes a social media company made to their favorite messaging platform, like the introduction of an annoying AI chatbot, can't do much to address the situation short of leaving the platform. ...
20 hours ago
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Hi Tech & Innovation
Heat tests could help police trace 3D-printed 'ghost guns'
Curtin University researchers may have found a new way to help police trace 3D-printed firearms, after developing a new method of analyzing the plastic used to make them. Homemade plastic weapons present a growing challenge ...
20 hours ago
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Engineering
Angstrom-scale water channels help membranes recover lithium and purify salt
Researchers at Kobe University and their collaborators have developed a polymer membrane that allows singly charged ions to pass through rapidly while effectively blocking multiply charged ions, whether positively or negatively ...
15 hours ago
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Energy & Green Tech
Virtual modeling reveals safety measures for battery-powered mining systems
The mining industry is shifting toward battery-powered equipment to improve efficiency, but lithium-ion batteries pose risks due to their high energy density. They can fail, overheat and, in some cases, catch fire, releasing ...
17 hours ago
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Robotics
Insect-inspired flying robot bounces back after collisions
Flying insects, such as fruit flies, bees, dragonflies and mosquitoes, can dart through narrow spaces and survive collisions with various objects. In contrast, many flying robots fall, suffer damage or even break down when ...
Electronics & Semiconductors
Semiconductors could sidestep a key solar-energy trade-off through a newly identified mechanism
A study led by the University of Oxford has identified a novel semiconductor that overcomes a key limitation of light-harvesting materials. The results, published today (Oct. 28) in Nature, could enable more efficient solar ...
Oct 28, 2026
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Energy & Green Tech
Ruthenium catalyst matches platinum in hydrogen production while using far less precious metal
Lowering the cost of green hydrogen production requires catalysts that produce hydrogen efficiently while using smaller amounts of expensive precious metals. A Korean research team has developed a catalyst that brings three ...
Oct 28, 2026
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Energy & Green Tech
Researchers establish performance targets for next-generation solar aircraft batteries
A sleek, pilotless, solar-powered airplane that soars through the atmosphere to monitor climate or track wildfires was once just an idea. Now, these high-altitude specialty aircraft are advancing from early prototyping demonstrations ...
Oct 28, 2026
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Engineering
Ultrathin films that overcome 'dead layer' effect could enable energy-efficient microchips for AI
Multiferroics are a promising class of materials for making computer chips and other electronic components that can operate at much lower power than today's devices. The materials have coupled electrical and magnetic properties ...
Oct 28, 2026
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Engineering
Designing new nuclear alloys, element by element
The periodic table contains more than 100 elements. Combine them in different ways, and the possibilities quickly multiply. For researchers designing materials for advanced nuclear reactors, the abundance presents an opportunity: ...
Oct 28, 2026
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