belbear wrote:
Just a matter of finding out how to build 40000 klicks of carbon nanotube cable that weighs less than a conventional rocket can carry and you’re halfway there.
What’s this i hear about colossal carbon tubes being a better choice for tether material? they’re already macroscopic, and when you look at breaking length, they exceed nanotubes because they are less dense.
http://en.wikipedia.org/wiki/Colossal_carbon_tube
