Abstract: Aiming at the demand for predicting the effect of HF whip antenna in high-altitude electromagnetic pulse environment, by modeling the typical HF whip antenna and RF front-end circuit, and ...

Perplexity has made its AI-powered Comet browser free for all users, previously available only to subscribers. Built on Chromium, Comet offers advanced AI features like content summarization, task ...

Hubble captured this image of the interstellar comet 3I/ATLAS on July 21, 2025, when the comet was 277 million miles from Earth.(NASA, ESA, David Jewitt (UCLA); Joseph DePasquale (STScI)) Astronomers ...

All Gong Cha outlets in Singapore have shuttered as of Oct. 1. The beverage chain's CEO confirmed the mass closure in an Oct. 2 statement, saying that Gong Cha (Singapore) Pte Ltd "has ceased to be ...

A comet from another star system is swinging by Mars as a fleet of spacecraft trains its sights on the interstellar visitor CAPE CANAVERAL, Fla. -- A comet from another star system will swing by Mars ...

Observing 3I/ATLAS in this active phase will give some of the clearest insights yet into the mystery of interstellar comets. The European Space Agency is making use of spacecraft designed for Mars and ...

Perplexity is now making its AI browser "Comet" available for free. Comet includes a built-in AI assistant that helps with research, scheduling, and online shopping every time you open a new tab. Paid ...

Gong Cha appears to have closed multiple shops in Singapore. Checks by Mothership revealed that shop fronts of several Gong Cha outlets appear to be empty, with their social media accounts cleared out ...

Abstract: Inverted-F antenna elements are proposed to design a platform-mounted antenna at HF band. Due to utilizing the inverted-F antenna elements to design the platform-mounted antennas, the ...

Adderall is a central nervous system stimulant that's prescribed to treat two conditions, attention-deficit/hyperactivity disorder (ADHD) and narcolepsy. If you're ...

Cha Hyun-seung, an entertainment personality known for his appearance on the dating show “Single’s Inferno” and a dancer of Sunmi, opened up about his battle with leukemia while vowing that he will ...

Telehealth is now a routine way for patients to access health care services and for providers in remote and other areas to access specialty consults that expand their ability to treat patients in ...