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Energy & Green Tech
New coating approach aligns molecules upright to boost organic solar cell efficiency
Solar cells, devices that can convert sunlight into electricity, are now widely used in many countries worldwide. While most cells on the market today are primarily made of silicon, energy engineers have been exploring the ...
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Energy & Green Tech
Electrolyte redesign unlocks tin's full charge capacity for flow batteries
Tin is able to exchange four electrons as it changes between dissolved ions and solid metal, but acidic tin batteries commonly use only a two-electron reaction, leaving half that potential charge out of reach. Now, researchers ...
Oct 31, 2026
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What to know about the $6.3B hack on Binance, likely the biggest-ever crypto theft
Binance, the world's biggest cryptocurrency exchange, said Friday that hackers stole more than $6 billion in what appears to be the largest cryptocurrency heist on record. Blockchain firms have pointed to the attack coming ...
Oct 31, 2026
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Armored caterpillars offer robot designers lessons in crossing slippery glass
Animals have long been one of the primary sources of inspiration for robotics researchers. This is because they rely on sophisticated biological mechanisms and locomotion strategies that could be artificially reproduced in ...
Mystery of 60-second fluctuations in power grids solved
TenneT Germany, the largest transmission system operator in Germany, has observed over several years that the frequency in the European power grid dips briefly every 60 seconds. While these deviations were not critical to ...
Oct 30, 2026
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Robotics
Robot moth grows a UV sensor by using an artificial circulatory system
A moth-shaped robot used an artificial circulatory system to deliver chemical building blocks through its body and grow a light sensor where UV light struck.
Oct 30, 2026
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Engineering
Laser pulses can track extreme airflow in tests for hypersonic spacecraft
Researchers from The University of Texas at Arlington's Aerodynamics Research Center have published a study in the journal Communications Engineering. Their work details a laser-based technique applied to arc-jet flows that ...
Oct 30, 2026
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Technology news
Robotics
Fast Feature Field: The missing link between event cameras and robot vision
For decades, event cameras, which emulate the biological retina by continuously monitoring changes in light intensity, have promised to revolutionize how robots perceive the world by allowing them to react faster and operate ...
Oct 30, 2026
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Internet
Thousands of deceptive ads evade Google's safeguards
Thousands of deceptive advertisements have slipped through Google's advertising safeguards, exposing internet users to fake virus warnings, misleading software promises and potentially dangerous downloads, according to new ...
Oct 30, 2026
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Engineering
Solid-state cooling advances toward practical use, but challenges remain
As temperatures rise, the need for cooling is growing worldwide. Conventional cooling systems consume large amounts of electricity and use refrigerants with a high global warming potential. Caloric cooling could offer a sustainable ...
Oct 30, 2026
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Security
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, ...
Computer Sciences
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 ...
Oct 29, 2026
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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.
Oct 29, 2026
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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 ...
Oct 29, 2026
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Engineering
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 ...
Oct 29, 2026
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Electronics & Semiconductors
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 ...
Oct 29, 2026
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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 ...
Oct 29, 2026
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