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Machine learning & AI

OpenAI begins rollout of new powerful AI model GPT-6 Astra

ChatGPT maker OpenAI said Thursday it would begin rolling out its newest and most powerful artificial intelligence (AI) model to select customers, saying it had built-in safeguards to mitigate security risks.

Computer Sciences

Brain activity patterns could help sharpen LLM deductive reasoning

Large language models (LLMs), the artificial intelligence systems underpinning the functioning of ChatGPT, Gemini and other similar conversational agents, are now widely used worldwide. In addition to processing, interpreting ...

Energy & Green Tech

Improved method for producing sustainable hydrogen offers a surprising side benefit

Producing hydrogen is essential for some of the world's biggest industrial and agricultural needs, but it also comes with a steep environmental cost: Most hydrogen made today is generated through processes that release large ...

Energy & Green Tech

Study shows plug-in hybrids polluting far more than expected

Plug-in hybrids have enjoyed a surge in popularity, but a study published Thursday showed they are polluting far more than most buyers think because they rely on batteries less often than regulators expected.

Technology news

Engineering

Metal foam front rails could make cars safer in collisions

A new study finds that composite metal foam (CMF) could significantly improve automobile safety during frontal collisions. Using computational models to run detailed simulations, researchers found that incorporating CMF into ...

Engineering

Supercooled water enables 3D printing of ice

Physicists from the University of Amsterdam have developed a method to print three-dimensional structures in ice. The researchers show how small pillars can be printed at an angle, making it possible to print arbitrary profiles ...

Automotive

AI framework predicts ambulance speeds through city traffic

A new AI framework can predict how fast an ambulance will move through city traffic, giving fire departments a way to test emergency response strategies in a virtual environment before making changes on real streets.

Engineering

A 'raincoat' protects lead-free solar cells from the elements

One drawback of most solar cells made with efficiency-boosting perovskite is the presence of hazardous lead in the materials that turn sunlight into electricity. Next-generation solar cells made with the most promising lead-free ...

Automotive

Tesla to launch self-driving 'Cybercab' in Texas

Electric vehicle-maker Tesla will debut its self-driving robotaxi, dubbed "Cybercab," in Texas on Thursday in a bid to compete with the likes of Uber and Waymo.

Consumer & Gadgets

Your smartwatch may not be as smart as you think

Smartwatches can provide useful health information, but many of those numbers are algorithmic estimates rather than direct measurements of the body, and some outputs are more accurate than others, a new University of Michigan ...

Machine learning & AI

Responsible AI must be built in from the start, researchers say

As generative AI becomes more autonomous and deeply integrated into society, researchers need to evaluate who benefits, who may be harmed and how systems can be optimized for social good, according to research from the latest ...