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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 ...

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 ...

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 ...

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 ...

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 ...

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 ...

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 ...

Energy & Green Tech

Zinc-air batteries gain new momentum with long-lasting catalyst

Zinc-air batteries can store significantly more energy than lithium-ion batteries, but until now have been virtually impossible to recharge. A team led by Professor Jörg J. Schneider from the Department of Chemistry has now ...

Robotics

PhoneBot gives old smartphones a new job on two legs

Smartphones combine cameras, motion sensors and powerful processors in devices that fit inside a pocket. These features could also make them useful components for robots, reducing the need to buy and connect separate sensors, ...