Scientists have developed the first electrically pumped continuous-wave semiconductor laser composed exclusively of elements from the fourth group of the periodic table -- the 'silicon group'.

It showed up to 87 per cent reduction in carbon monoxide, hydrocarbons, hydrogen sulphide, and smoke emissions, and improved efficiency since the diesel-methanol blends outperformed pure diesel in ...

Scientists have developed the first electrically pumped continuous-wave semiconductor laser composed exclusively of elements from the fourth group of the periodic table—the "silicon group." The ...

The involvement of wealthy investors has made this presidential transition one of the most potentially conflict-ridden in modern history. By Theodore Schleifer Maggie Haberman and Jonathan Swan ...

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In the future, your home will feel as safe from intruders as a state-of-the-art military base. Cameras and sensors surveil the perimeter, scanning bystanders’ faces for potential threats. Drones ...

A reader recently wrote to ask us about our November 17 article: “Satellite Detects Human Contribution to Atmospheric CO2.” “Hello, I read on the site that CO 2 concentrations are higher in some areas ...

When Sam Altman co-founded OpenAI in 2015, the AI industry was niche. Here’s how he built the company off the back of ChatGPT and splashy new products like Sora and GPT-4o. Photo: Jason Redmond ...

Blog posts represent the views of CFR fellows and staff and not those of CFR, which takes no institutional positions. This week, the U.S. government unveiled its third set of export controls in as ...

Re:Invent Amazon Web Services teased its next gen AI accelerator dubbed Trainium3 at re:Invent on Tuesday, which it says will deliver 4x higher performance than its predecessor when it arrives late ...