Archive: 10/17/2007

Is Mars dead, or is it only sleeping?

The surface of Mars is completely hostile to life as we know it. Martian deserts are blasted by radiation from the sun and space. The air is so thin, cold, and dry, if liquid water were present on the surface, ...

Oct 17, 2007 4.4 / 5 (59) 5

Nanowire generates its own electricity

Harvard chemists have built a new wire out of photosensitive materials that is hundreds of times smaller than a human hair. The wire not only carries electricity to be used in vanishingly small circuits, but generates power ...

Oct 17, 2007 4.8 / 5 (38) 0