“As I grow older, I pay less attention to what men say. I just watch what they do.” Andrew Carnegie, businessman and philanthropist (1835-1919).
Friday, 7 August 2015
As tough as paper?
Researchers at the University of Maryland recently discovered that paper made of cellulose fibers is tougher and stronger the smaller the fibers get. For a long time, engineers have sought a material that is both strong (resistant to non-recoverable deformation) and tough (tolerant of damage).