A truss design devised to help workers process space shuttles continues to find new uses as a space shuttle engineer-turned-entrepreneur adapts it to everything from a solar-powered electric generator to a mobile cellphone tower.
Fuente : http://feeds.sciencedaily.com/~r/sciencedaily/~3/C...
Fuente : http://feeds.sciencedaily.com/~r/sciencedaily/~3/C...