Learn about space elevators at: http://lunarscience.nasa.gov/articles/the-space-elevator-concept/ http://www.nasa.gov/directorates/spacetech/centennial_challenges/tether/index.html http://science.nasa.gov/science-news/science-at-nasa/2005/27jul_nanotech/ http://science.nasa.gov/science-news/science-at-nasa/2000/ast07sep_1/