https://www.youtube.com/watch?v=xIHg-PPUZnk 在Scott Manley的专业分析中,讨论了NASA的Vega火箭在助推器测试发射中如何成功应对一个非同寻常的问题。该问题始于蓝色起源推进系统提供的BE-4发动机,在发射和看起来一切顺利之后,当观察到喷流中有异常时,引起了关注。通过切换到另一个摄像头显示画面,可以确认早期...
NASA tested a rocket engine — and did something unusual in the processMatthew Stuart
The blinking stars are a worldwide deepfake In episode 2 after the phenomenon, Saul tellsDr Ye Wenjie(Rosalind Chao) his theory about the blinking stars: "It's bullshit. It never happened." When Wenjie questions this, noting that the entire world witnessed the blinking lights, Saul doubles ...
The US Senate yesterday confirmed former astronaut Charles Frank Bolden as the new NASA head, with Lori Beth Garver occupying the deputy administrator's office. Bolden, 62, is a former Marine Corp pilot who flew over 100 combat mission in Vietnam and eventually rose to the rank of major gene...
NASA did something unusual when they tested their next-generation rocket engineMatthew Stuart
New technologies take a while to reach maturity. 3D printing has only been of real interest for a few years now, but the rate of advancement is scary-fast. True, the printers you can [...]geekdotcom