Health-checking timber with lasers and electronic noses

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Updated August 24, 2009 07:08:27

The business of working with wood is getting the high-tech treatment - a step forward from the days when a craftsman would tap on a piece of timber and listen to check for hidden cracks or flaws. Nowadays sensor technology can do the same thing, before trees are even felled.

Presenter: Tim Marshall
Speaker: Professor Glen Murphy, Oregon University, United States

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