It's a working calendar, an open-air observatory, and the largest lawn ornament in New Zealand. A dozen hardcore members of the Phoenix Astronomical Society spent two years (and $60,000) erecting Stonehenge Aotearoa on a plain outside Wellington. The latter-day druids consulted GPS and computer models and logged more than 1,000 hours of celestial observation before aligning the prefab stones with points on the horizon and in the heavens. (via Wired)
Tractors that steer themselves. Property that "knows" it's been stolen. Airplanes that land without a pilot. The opportunities surrounding the global positioning system are already mind-boggling, but now the industry is set to skyrocket. This spring the U.S. government will launch its first next-generation GPS satellite -- to complement the 30 older models already in service -- creating stronger signals, increased bandwidth, and lots of potential for smart entrepreneurs.