- Show Me the Bitcoins
Though still volatile, Bitcoin is surging in value and being spent more freely; it’s also inspired a legion of competitors.
- The World’s Most Powerful 3-D Laser Imager
A new military LIDAR chip shows promise for faster and more precise aerial mapping—doing in minutes what used to take days.
Airborne laser scanning has produced stunning maps and insights in the last few years. Among others, it revealed the faint outlines of a vanished medieval city street grid obscured by the jungle surrounding Cambodia’s Angkor Wat (see “Laser Scanning Reveals New Parts of an Ancient Cambodian City”), a feat that required 20 hours of helicopter flight time to map 370 square kilometers to a resolution of one meter.
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