Abstract: Direction finding in partly calibrated arrays has received significant attention in recent years. From the perspective of the calibration imperfections, existing literature predominantly ...

Optical illusion puzzles have been there for centuries and these are fun challenges that are designed to play tricks on our eyes and brains. Optical illusions work on a simple principle where it ...

It's been over four years since Apple launched its Find My network accessory program, and unlike the AirTag, Find My-compatible devices have been evolving. Chipolo recently came out with a pair of new ...

More people are visiting downtown Chicago exploring restaurants, arts, and cultural events and experiences, according to the Chicago Loop Alliance. New data from the organization show numbers ...

A still image from the animation of RAD J131346.9+500320. Credit: RAD@home Astronomy Collaboratory (India). When astronomers first started finding “odd radio circles,” or ORCs, they were baffled.

Astronomers have spotted something new out in deep space. They’re calling it an “odd radio circle,” or ORC for short, and it’s stranger than anything they expected. Picture a faint, glowing ring of ...

These days, everyone is talking about high interest rates across the rich, developed world, while warning of eventual fiscal disaster. But we may have gotten an early glimpse of this anxiety in ...

Chipolo has launched two new premium trackers, the CARD and LOOP. Both are compatible with Android’s Find Hub and Apple’s Find My. The wallet-sized CARD and silicone-strap LOOP emphasize design, loud ...

For centuries prime numbers have captured the imaginations of mathematicians, who continue to search for new patterns that help them identify primes and the way they are distributed among other ...

Abstract: This paper proposes a millimeter-wave phase-controlled patch antenna by exciting even and odd modes. Furthermore, a phased array with large beam coverage for Vehicle-to-Everything (V2X) ...

After Australian farmer George Cullinan spotted a strange-looking bird on his property, he was galvanized to learn more about the creature, which turned out to be an incredibly rare plains-wanderer. A ...