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Energy & Green Tech
Robot platform combines AI and rapid imaging to improve perovskite solar cell fabrication
Solar cells generate electricity by absorbing sunlight in a thin layer of perovskite, a light-absorbing material. This layer is made with a liquid solution that dries and crystallizes into a solid film, but small changes ...
50 minutes ago
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Engineering
Infrared-transparent aerogel boosts performance of subambient daytime radiative cooling materials by up to 5.2°C
As global warming continues, people tend to switch on fans or air conditioners during hot weather. But the more we use electrical appliances, the more energy we consume and carbon dioxide we produce. With continuous breakthroughs ...
10 minutes ago
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Heated mirror reveals hidden 3D patterns in rising air near a wall
Heat transfer from a heated surface depends partly on the thin layer of air that warms and rises beside it. As this natural convection boundary layer develops, its flow can change from orderly patterns to turbulence, influencing ...
30 minutes ago
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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 ...
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 ...
Security
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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Robotics
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 ...
Oct 30, 2026
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Technology news
Engineering
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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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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