A six-astronaut crew has begun a four-month "mission" in remote area of Hawaii to investigate how they would interact and survive long-duration space exploration, such as a trip to Mars.
University of Hawaii - News, Features, and Slideshows
Thanks to NASA's now-crippled Kepler space telescope, astronomers say they now know there are tens of billions of potentially habitable, Earth-size planets in the Milky Way galaxy.
Ethernet's value to networking and IT is well established over the past 40 years. But did you know that "Ethernet" refers to two slightly different ways of sending information between endpoints on a LAN? That and some other perhaps lesser known facts about this 40-year-old technology are reviewed here: