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INDIANAPOLIS (AP) - CT scanners used for decades to peer inside humans are now being trained by scientists on hardwood trees to detect knots, cracks and other imperfections in a bid to help lumber mills make the best possible cuts of valuable logs.
With the nation's hardwood lumber industry facing growing foreign competition, technology is needed to help mills obtain more high quality lumber from trees, Purdue University researcher Rado Gazo said.
Gazo is overseeing a summer project at a northern Indiana lumber mill filled this spring with a CT scanner that's comparing logs cut after being subjected to the high-resolution X-ray scans with logs cut after being sized up the traditional way.
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