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[廣告]:
Portable 3-D Laser Technology Preserves Texas Dinosaur's Rare Footprint
Using portable 3D laser technology, scientists have electronically preserved a rare 110 million-year-old fossilized dinosaur footprint that was previously excavated and built into the wall of a bandstand at a Texas courthouse in the 1930s.
 圖片附件: footprint.jpg (2009-11-6 01:09 AM, 58.91 K)
The embedded track. Scientists have electronically preserved a rare 110 million-year-old fossilized dinosaur footprint that was previously excavated and built into the wall of a bandstand at a Texas courthouse in the 1930s. (Credit: Image courtesy of Southern Methodist University)
http://www.sciencedaily.com/releases/2009/11/091104101623.htm
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