A knifeman who launched a 20-second attack on dancers coming back from a class at a Tube station was jailed for 11 years today. Jamaican-born Nicholas Orlando Green, 36, repeatedly stabbed Phillip ...

Abstract: The electron optical system (EOS) plays a vital role in vacuum electronic devices (VEDs). A 19.3-mA, 19.4-kV electron gun with a multistage focus electrode is designed, and the multistage ...

While much of the conversation around immigration focuses on the foreign-born population, second-generation Americans are also central to understanding the story of immigration. And new data shows in ...

Physicists have analyzed two enormous black hole mergers that happened one month apart and have come up with tantalizing evidence that rare "second-generation" black holes were involved. When you ...

Refined, not reinvented: Meze 99 Classics 2nd Gen delivers better clarity, isolation, and modern connectivity without losing its musical soul. It’s hard to believe it’s been nearly a decade since I ...

ALAMEDA, Calif., Oct. 27, 2025 /PRNewswire/ -- Penumbra, Inc. (NYSE: PEN) announced the results of the landmark STORM-PE randomized controlled trial (RCT), which found that the use of mechanical ...

Before transistors or microchips, the earliest computers relied on vacuum tubes — glass bulbs that glowed like small light bulbs and acted as electronic switches. Each tube could represent a one or ...

'Take it and run. It’s bold and powerful and impactful.' The fastest supercomputer in the U.S. academic landscape was unveiled Tuesday at the University of Florida (UF). Officials with UF launched the ...

YouTube is rolling out a “second chance” program to allow previously banned creators to apply for new channels, the company announced Thursday. © Pavlo Gonchar ...

As China’s economic growth slows and high youth unemployment persists, popular anger is increasingly directed at those perceived to be exempt from the hyper-competition endured by ordinary people. The ...

The Air Force took another step this week toward preparing its newest long-range strategic bomber for its first mission. The second B-21 Raider test aircraft landed at Edwards Air Force Base, Calif., ...