Sam Altman, the chief executive of OpenAI, says that technological revolutions are driven by more than just technology. They are also driven, he argues, by new ways of paying for them. “There is ...

The AI boom has triggered a historic spending spree. By 2028, investment in chips, servers and data centers could reach nearly $3 trillion, according to Morgan Stanley. On this episode of Bold Names, ...

Skeptics of a recent investment spree involving OpenAI and others say deals raise questions about the robustness of the artificial intelligence boom. By Andrew Ross Sorkin Bernhard Warner Sarah ...

“The action will clearly fuel ‘circular’ concerns,” Stacy Rasgon, an analyst with Bernstein Research, wrote in an investor note after the deal was announced. Those concerns have followed Nvidia, to ...

Abstract: The fractional Fourier transform is a ubiquitous signal processing tool in basic and applied sciences and generalizes the Fourier transform. The convolution property of the discrete Fourier ...

King's College London provides funding as a member of The Conversation UK. We extract more than 100 billion tonnes of raw materials from Earth each year, then throw most of them away. The “circular ...

Rana Hajirasouli is a Ph.D. Researcher at the University of Cambridge and Founder of The Surpluss (Certified B Corp). The circular economy has long been heralded as an important pathway to sustainable ...

A windowed sinc function can implement a low-pass filter, and a two-dimensional convolutional filter can blur or sharpen images. In part 3 of this series, we introduced a low-pass filter based on the ...

The previous generation, the Circular Ring Slim, didn’t impress us too much in our review testing process. But the company has been hard at work righting some of those wrongs. It updated the Ring Slim ...

Forget taking an electrocardiogram from your wrist; now you can take one from your finger. The Circular Ring Gen 2, which was announced on Jan. 5 just ahead of CES 2025, is one of few smart rings that ...

Smart ring maker Circular announced its next-gen Ring 2 with ECG (electrocardiogram) functionality and AFib (atrial fibrillation) detection at CES 2025 Unveiled on Sunday in Las Vegas. The wearable is ...