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Engineering

Resilient nylon-11 film generates electricity from pressure and survives repeated runovers

RMIT University researchers have developed a flexible nylon-film device that generates electricity from compression and keeps working even after being run over by a car multiple times, opening the door to self-powered sensors ...

Computer Sciences

Exposing biases, moods, personalities and abstract concepts hidden in large language models

By now, ChatGPT, Claude, and other large language models have accumulated so much human knowledge that they're far from simple answer-generators; they can also express abstract concepts, such as certain tones, personalities, ...

Engineering

New gel electrolyte points to stronger, safer anode-free lithium batteries

Researchers at Columbia Engineering have developed a new gel electrolyte that both improves the lifetime and safety of anode-free lithium batteries, an emerging battery architecture that could dramatically boost energy density ...

Machine learning & AI

Choosing experiments randomly can help scientists develop better theories, new model reveals

The race to develop a virtual scientist—an AI creation that conducts every stage of research, from idea to publication—has consumed researchers, start-up founders, and tech juggernauts alike.

Technology news

Machine learning & AI

OpenAI's Altman tells leaders regulation 'urgently' needed

The world urgently needs to regulate artificial intelligence, OpenAI head Sam Altman said Thursday at a summit in New Delhi to address the risks and opportunities posed by the fast-evolving technology.

Energy & Green Tech

This special solar cell system produces both electricity and heat

Researchers have developed a solar cell system that uses mirrors to concentrate solar energy. In addition to electricity, it produces heat for a plant that will capture carbon from industrial emissions. The solar cells in ...

Electronics & Semiconductors

New polymer alloy could solve energy storage challenge

In the race for lighter, safer and more efficient electronics—from electric vehicles to transcontinental energy grids—one component literally holds the power: the polymer capacitor. Seen in such applications as medical ...

Engineering

3D printing platform rapidly produces complex electric machines

A broken motor in an automated machine can bring production on a busy factory floor to a halt. If engineers can't find a replacement part, they may have to order one from a distributor hundreds of miles away, leading to costly ...