How the mastery of energy and space could enable civilization to rise to a higher level, which will be dubbed here as "Kardashevian Aspirations". A higher level of civilization could mean peace, prosperity and freedom for all, but you never know. (Somebody might find a way to screw it up.)
Thursday, May 5, 2011
50th Anniversary of Alan Shepard's flight, first American in space.
This is on the Nasa page, in case you're interested.