The first American commercially built-and-operated crew spacecraft in eight years docked successfully Sunday at the International Space Station. There was, however, no crew aboard the spacecraft, just a test dummy named Ripley, in a nod to the lead character in the Alien movies. The docking was carried out autonomously by…місце для вашої реклами!
Northern California is famous for many things, the sun, the surf, the wine, but it has also been infamous for its smog. Smog is a noxious collection of nitrogen and sulfur oxides, along with smoke and dirty particles, which all combine to form a foglike haze in the air. But…місце для вашої реклами!