3 February 2012, 6:15 am
The road to riches for one inventor is paved in agricultural waste. Lignin — the stuff that makes the walls of plant cells strong — is usually tossed out because it’s so tough and hard to break down. Wilson Smith, a graduate student in civil engineering at Kansas State University in Manhattan, has a plan to use that tough material in construction. "What it does is it protects the carbohydrates ...... Read More »