Isolating the first spark of life on Earth is a matter of biology, geology, and chemistry—but it's also an amazing math ...

Those changes will be contested, in math as in other academic disciplines wrestling with AI’s impact. As AI models become a ...

Apple’s two newest pairs of earbuds, the AirPods 4 and AirPods 4 with ANC, have been a bit polarizing so far in their existence. There are some tech experts ready to grab their pitchforks, and some ...

Until I went all-in on cellular iPads in the last couple years, I relied on personal hotspot on my iPhone all the time. I would connect my iPad or MacBook to my iPhone’s cellular connection whenever I ...

Abstract: For synthesizing ultrawideband (UWB) beam-scanning aperiodic antenna arrays under mutual coupling (MC) effects, the novel constraint-reduced iterative convex optimization (CRICO) method with ...

Abstract: A 3-D wideband high-gain circularly polarized array antenna with low radar cross section (RCS) is presented in this letter. Its element contains four 3-D radiation structures fed by a ...

OpenAI just announced its latest models, GPT 5.4 mini and nano, with the former now available to free ChatGPT users. Earlier this month, OpenAI launched its GPT 5.4 model in its higher tiers of use, ...