Published on: 2025-06-29 23:00:35
Welcome to Edition 7.45 of the Rocket Report! Let's talk about spaceplanes. Since the Space Shuttle, spaceplanes have, at best, been a niche part of the space transportation business. The US Air Force's uncrewed X-37B and a similar vehicle operated by China's military are the only spaceplanes to reach orbit since the last shuttle flight in 2011, and both require a lift from a conventional rocket. Virgin Galactic's suborbital space tourism platform is also a spaceplane of sorts. A generation or t
Keywords: kinetica orbit rocket space spaceplanes
Find related items on AmazonPublished on: 2025-10-05 20:47:23
In fact, the researchers calculated the point at which a moving crowd can transition from order to disorder. That point, they found, was an angular spread of around 13 degrees, meaning that if pedestrians don’t walk straight across, but instead an average pedestrian veers off at an angle larger than 13 degrees, this can tip a crowd into disordered flow. If a crowd has a relatively small angular spread, this means that most pedestrians walk in opposite directions and meet the oncoming traffic he
Keywords: crowd flow lanes pedestrians people
Find related items on AmazonPublished on: 2025-10-30 18:21:17
Tayfun Coskun/Anadolu via Getty Images The next time you fly United Airlines, you might notice a serious upgrade to the in-flight internet. Earlier this year, United Airlines said that its first Starlink internet-equipped flight was expected to take off in the second quarter of this year. The airline appears ahead of schedule, as it has announced the first successful installation of Starlink on a plane. Starlink-equipped planes will have internet speeds up to 250 megabits per second (Mbps), 5
Keywords: internet new planes starlink united
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