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Thursday, July 17, 2008
Laser lights up fragile dinosaur footprints
How do you study numerous thousand dinosaur footprints spread across 2 kilometers of a soft-rock outcrop at a slant of 60 degrees? Zap them with a laser.
The footprints, at the Fumanya site in the southern Pyrenees in
Therefore, Phil Manning of the University of Manchester, UK, and his team scanned the surface with LIDAR - a laser method that maps features in a comparable way to radar. The scanner and allied software generated a complete 3D contour map of the surface and prints.
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