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Engineering

Porous plastic sheets can cool buildings by radiating light to space

Traditional cooling systems for buildings use refrigerants and electricity, which contribute to the atmospheric greenhouse effect that exacerbates more extreme weather events. In response, materials scientists have turned ...

Energy & Green Tech

A brain-inspired AI technology boosts efficiency and reduces energy consumption

Researchers at FORTH have developed a new type of artificial neural network (ANN) that incorporates features of biological dendrites. This innovative design allows for accurate and robust image recognition while using significantly ...

Business

OpenAI says DeepSeek 'inappropriately' copied ChatGPT—but it's facing copyright claims, too

Until a few weeks ago, few people in the Western world had heard of a small Chinese artificial intelligence (AI) company known as DeepSeek. But on January 20, it captured global attention when it released a new AI model called ...

Energy & Green Tech

Cutting emissions in buildings and transport is already achievable with existing technologies, says study

A study published in Nature Energy reveals that a combination of electrification, improved energy efficiency, and smarter energy use can significantly reduce greenhouse gas emissions in buildings and transport—two sectors ...

Security

Researchers calculate cyberattack risk for all 50 US states

One day last summer, a Russia-affiliated crime syndicate kneecapped the city of Columbus, Ohio, without lifting a hammer. It had breached the city's computer network, pirating names, Social Security numbers, bank information ...

Engineering

Encoding many properties in one material via 3D printing

A class of synthetic soft materials called liquid crystal elastomers (LCEs) can change shape in response to heat, similar to how muscles contract and relax in response to signals from the nervous system. 3D printing these ...

Robotics

New knit haptic sleeve simulates realistic touch

Wearable haptic devices, which provide touch-based feedback, can provide more realistic experiences in virtual reality, assist with rehabilitation, and create new opportunities for silent communication. Currently, most of ...

Electronics & Semiconductors

Wearable energy harvester achieves 280 times efficiency boost

A team led by Prof. Jang Kyung-In from the Department of Robotics and Mechatronics Engineering (DGIST) has developed a three-dimensional stretchable piezoelectric energy harvester that can harvest electrical energy using ...

Robotics

Teaching a robot its limits to complete open-ended tasks safely

If someone advises you to "know your limits," they're likely suggesting you do things like exercise in moderation. To a robot, though, the motto represents learning constraints, or limitations of a specific task within the ...