content: Can I build my own Space Fountain? A Space Fountain is vaguely similar to a Space Elevator.  While it looks unlikely, it sounds like it is actually very feasible, requiring no new technology or magically-strong materials, etc. But what really caught my attention is that it is fully scalable.  One does not need to build a 2,000-km-tall Space Fountain.  In principle, you could build one that is only capable of going up 1 km ... or maybe even just 10 m? Any Electrical Engineers out there, who think this might be a feasible home project, for fun and science? ETA:  For clarification, I would like to build a small one in my home/yard, for fun, like a model rocket.  But before I dive into it, I'm hoping someone with more knowledge/experience could point out if the requirements are too high-tech for a "regular guy" backyard project.