A launch loop is a very similar concept, and is very serious. I think the graphic is just meant to convey the concept. http://en.wikipedia.org/wiki/Launch_loop

A launch loop is a very similar concept, and is very serious. I think the graphic is just meant to convey the concept. http://en.wikipedia.org/wiki/Launch_loop http://en.wikipedia.org/wiki/Launch_loop It is being worked on in considerable detail: http://launchloop.com/slides/launchloop.pdf http://launchloop.com/slides/launchloop.pdf