Abstract: An ultra-wideband (UWB) vertically polarized (VP) long-slot circular phased array with compact size is presented. The design realizes a quasi-magnetic current sheet array. It consists of ...

Learn how to calculate the speed of a mass in a circular pendulum with this clear physics tutorial! Step-by-step explanations make it easy to understand circular motion, energy, and angular velocity. ...

Learn about the EU’s plan to shift to a circular economic model to make Europe cleaner and more competitive. Subscribe to this topic See all explainers on this topic The Earth’s resources are limited.

Extreme heat in Japan and Australia. Flash floods in Texas and across Europe. Billion-dollar-damaging storms in the Caribbean and Southeast Asia. Weslynne Ashton is a professor of environmental ...

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 ...

Artificial intelligence is reshaping the world, but some of its most important changes are happening offstage. While models become more powerful and capabilities grow, a handful of dominant companies ...

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, ...

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 ...

Having a circular rash can spark fears that you’ve picked up ringworm. After all, the fungal infection is notorious for causing a ring-shaped rash. But there are a lot of other circular rashes that ...

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 ...

Alfred L. Cralle optimized his invention for one-handed use by adding a thumb grip and a scraping tool that kept food from sticking to the scooper. Dania Maxwell / Los Angeles Times via Getty Images ...

The Apple Watch Series 10 is my current wearable of choice. I use it to track all the health data Apple can squeeze into a smartphone and all the workouts I do as part of my marathon training. I've ...