Note from the editor: This article was originally published on February 26, prior to the commencement of the NCAA tournament and Illinois securing its place in the Final Four.
I built Video.js 16 years ago to help the transition from Flash to HTML5 video. It’s grown a lot since then with the help of many people, but the codebase and APIs have continued to reflect a different era of web development. This rebuild modernizes the player both for how developers build today and sets up the foundation for the next significant transition to AI-augmented features and development.
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ScienceCast (什么是 ScienceCast?)
AS-1是宇石空间推出的首款低成本两级中型液体火箭,采用不锈钢结构+液氧甲烷动力、“筷子”捕获臂回收及复用方式,火箭总长约70米,起飞重量约570吨,箭体直径4.2米,一次性LEO轨道运载能力15.7吨,重复使用LEO轨道运载能力10吨,未来将主要针对中低轨有效载荷发射市场。