Abstract: Two-dimensional (2-D) array sets with good 2-D correlation properties have received considerable attention in wireless communication systems. This paper focuses on 2-D Z-complementary array ...

As far back as the Stone Age, humans started digging asbestos from cliffs or riverbeds. They mixed the fibrous silicate mineral into clay for pottery that could better withstand heat, and northerners ...

You hear about it everywhere, from LinkedIn posts to keynote speakers to job listings: Learning to use AI is the way to get ahead in your job and help future-proof your career. But you may not know ...

The Mass Production Array is the second sector in Pragmata, and it has six blocks: Test Site Entrance, Shopping District, Side Alley, Business District, Lim Recycling Factory, and Comms Tower. Here's ...

On April 6, 2026, the Orion spacecraft officially took four astronauts farther from Earth than any human has gone before. While the Artemis II mission did not include a Moon landing, it did involve ...

Amanda Smith is a freelance journalist and writer. She reports on culture, society, human interest and technology. Her stories hold a mirror to society, reflecting both its malaise and its beauty.

Suspicion and affection. Apprehension and excitement. Most people have mixed feelings about AI English, whether or not they always recognize it. When reading text generated by AI, people feel it ...

Scientists from Rensselaer Polytechnic Institute (RPI) have used mathematical concepts from string theory, a theoretical description of the mechanics of the entire universe, to upend over a century of ...

Tires are the only point of contact between a car and the road, meaning that no matter how dynamic, safe, or comfortable a car may be, every input has to be communicated to the road through the tires.

For more than a century, scientists have wondered why physical structures like blood vessels, neurons, tree branches, and other biological networks look the way they do. The prevailing theory held ...

Natural physical networks are continuous, three-dimensional objects, like the small mathematical model displayed here. Researchers have found that physical networks in living systems follow rules ...

AI-powered tools are changing how people work by boosting productivity, streamlining tasks and accelerating career growth. In our latest course, Beyond the Basics: How to Use AI to Supercharge Your ...