The scratch-resistant glass invented by Corning in the 1960s took awhile to find wide use. But now it's an important part of many electronic devices.
All I know is that neither Apple nor anybody else has, in my opinion, made enough fuss over this material. In its humble, ionic-exchange way, this stuff has made possible the new era of thin, scratch-proof touch phones and touch tablets.
Read full story on Pogue's Posts (New York Times)