Tuesday, March 17, 2009

'Green' bricks?

Steve Van Dulken, patent specialist at the British Library, has highlighted an intriguing invention by Missouri-based former civil engineer Henry Liu (pictured here). Liu's technique uses fly ash, a prolific waste by-product of coal burning at power stations, which is mixed with water and pressurised to create bricks which can be used for building. You can read more about it on the ideas21 website.
Link: http://www.ideas21.co.uk/articles/20090311
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