Center for Space Propulsion and Gravitational Universe (SPaGU), School of Fundamental Physics and Mathematical Sciences, Hangzhou Institute for Advanced Study, UCAS, Hangzhou 310024, China Plasma ...

Abstract: Hall thrusters provide efficient space propulsion by electrostatic acceleration of ions. Rotating electron clouds in the thruster overcome the space charge limitations of other methods.

Psyche’s thrusters, powered by two large solar arrays, ionize and expel xenon gas to gently propel the spacecraft, according to NASA. The spacecraft began firing its thrusters in May 2024 ...

SEATTLE — Seattle police arrested at least eight people protesting a faith-based group event outside City Hall Tuesday. Traffic in downtown was significantly impacted due to the event.

快科技5月27日消息，消费级AR领先品牌雷鸟创新RayNeo举行“看见后智能手机时代See the Extraordinary”旗舰新品发布会，重磅推出AR眼镜雷鸟X3 Pro、新一代 ...

IT之家5 月 27 日消息，雷鸟 X3 Pro 旗舰 AR 眼镜今日正式发布，定价 8999 元起，国补后到手 7649 元起，今天开始预售，6 月 15 日正式开售和发货。X3 Pro 的全贴合近视版售价 10999 元。 雷鸟 X3 Pro 延续了上一代的外观设计，采用镁铝合金材料支撑架构与钛合金转轴 ...

The second annual Hall of Legends inductee is coming for League of Legends, putting them in their esports Hall of Fame forever and giving the selected player their very own skins. Faker was a ...

Competing protests squared off again Tuesday evening, this time in front of Seattle City Hall, after a similar clash led to 23 arrests over the weekend in Cal Anderson Park. Seattle police kept ...

🔺Meta Orion，图源：TechCrunch 时隔8个月，中国企业雷鸟创新也发布了采用刻蚀工艺的全彩光波导AR眼镜——雷鸟X3 Pro。与Meta Orion形成鲜明对比的是 ...

Tuesday’s rally, hosted by Russell Johnson and Pursuit NW, is set to start at 5 p.m. at the front steps of City Hall. Fourteen months in the making, Molly Moon's Ice Cream has finally announced ...

First introduced for 2004, the X3 aims to combine premium appointments, enjoyable driving dynamics, and compact SUV practicality. Now in its third generation, the 2020 X3 offers more advanced ...

A religious group protested outside Seattle City Hall on Tuesday following a weekend of unrest at Cal Anderson Park. The group spoke out against what they describe as religious bigotry ...