Still More on Space Elevators
parseexception writes "The NYTimes is reporting
Not Science Fiction: An Elevator to Space. Not a whole lot of technical detail but good read. It is interesting to see alternatives to current space technologies being explored."
Imagine a carbon nanotube sixty miles long falling back to Earth. It could cause massive devastation.
Let's not start compromising the Earth's security with these things before we have habitable and sustainable backups elsewhere in the solar system.