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Mirror-image crystals reverse the direction of light-driven currents
科学与环境

Mirror-image crystals reverse the direction of light-driven currents

The circular photogalvanic effect (CPGE), a phenomenon that generates helicity-dependent photocurrents in noncentrosymmetric materials, can originate purely from a crystal's internal structure without a contribution from the surface, a study from Science Tokyo reveals.

Phys.org - latest science and technology news stories ·

Research roundup: 6 cool science stories we almost missed
科技与人工智能

Research roundup: 6 cool science stories we almost missed

It’s a regrettable reality that there is never enough time to cover all the interesting scientific stories we come across. So every month, we highlight a handful of the best stories that nearly slipped through the cracks. September’s list includes a tantalizing hint of the elusiv

Ars Technica - All content ·

Want to use AI to improve your work? Have it disagree with you
科学与环境

Want to use AI to improve your work? Have it disagree with you

Knowledge workers such as scientists, teachers, lawyers and business leaders are increasingly using generative artificial intelligence applications for tasks that demand imagination, creativity and problem-solving. Ironically, perhaps, recent research shows that people who intera

Phys.org - latest science and technology news stories ·

Breaking up (with Elon Musk) is hard to do
科技与人工智能

Breaking up (with Elon Musk) is hard to do

In a throwback to MySpace-style internet drama, Shivon Zilis announced that she and the father of her four children, Elon Musk, had broken up on X. To do so, she quote-tweeted a post from "Big Tech Alert," an account that, among other things, monitors what accounts are following

The Verge ·

US Coast Guard says it intercepted ship carrying fuel to Cuba
国际新闻

US Coast Guard says it intercepted ship carrying fuel to Cuba

US says ship thought to be using common ‘dark fleet’ tactics was boarded and taken to Mexico as embargo continues The US Coast ⁠Guard has announced that it intercepted a large cargo ship carrying fuel bound for Cuba , as the ⁠Trump administration’s crippling ⁠oil embargo against

World news | The Guardian ·