Skyhooks: Hacking Physics To Build the Future of Our Species
Long an in-joke used among senior staff in factories and shipyards, to send new recruits on a fruitless search, skyhooks might actually become a real thing one day. In the latter sense, a skyhook, as the name suggests, is a theoretical momentum transfer device that could be used as an alternative way to launch space vehicles.
https://interestingengineering.com/skyhooks-might-just-make-rockets-a-thing-of-the-past?utm_source=tldrnewsletter