Zippers, buttons, glue, staples, stitching. Prior to 1955, those were the main ways in which things were fastened together. But inventor George de Mestral’s 1941 discovery led to an easier and often more effective way of conjoining two things: VELCRO.

Sandblasting is commonly used to prepare a surface prior to painting and to strip paint from machinery and metal. It is also used to produce the lettering and engraving on most modern cemetery monuments and markers and to clean boat hulls, brick, stone and concrete.

If you use a computer and software every day, you owe much of its operational logic to Claude Elwood Shannon. Shannon was an American mathematician, electrical engineer, and cryptographer known as a “father of information theory.”