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Laser-powered Zebedee springs into action (1:46) 

April 30 - Researchers at Australia's CSIRO have developed a hand-held, spring-loaded laser scanner that can produce three-dimensional maps with unprecedented speed and accuracy. Called Zebedee after a French, spring-propelled television puppet of the sixties, the scanner fires laser light, giving surveyors and archaeologists a powerful new tool for discovery. Rob Muir reports.

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