“Think twice before you speak, because your words and influence will plant the seed of either success or failure in the mind of another.”
Napoleon Hill, American writer (1883-1970).
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).