Library and Archives Canada
Library & Archives Canada: The Dumbells (World War I Entertainment Unit)
The Dumbells were a group of soldiers who entertained troops from 1917-1918 and became an enormously popular vaudeville group afterwards, until 1932. At their first show for the troops, the soldier audience was preparing to boo them off...
Massachusetts Institute of Technology
Mit: Inventor of the Week: Roy J. Plunkett
Read about Roy Plunkett's invention, teflon, one of the best-known and most widely used polymers that was created by accident.