Hot Electrons Could Double Solar Cell Power Efficiency

Nanotechnology / Nanophysics

Dec 18, 2009 | 4.4 / 5 (11) | 2

Scientists have experimentally verified a theory suggesting that hot electrons could double the output of solar cells. The researchers, from Boston College, have built solar cells that successfully use hot ...

How to Find Signs of Life on Mars

Space & Earth / Space Exploration

Dec 18, 2009 | 3.7 / 5 (3) | 1

By studying the signatures of fossil life on Earth, geobiologists can get a clue of what to look for when hunting for extraterrestrial life on Mars.