Just over a year later, on June 26, 1974, a packet of Wrigley’s chewing gum sold at a supermarket in Ohio became the first product scanned at a checkout using Laurer’s design. The barcode crossed the ...

In early February 1948, a strange and urgent morse-code SOS, three dots, three dashes and three dots again, came from a Dutch cargo ship, the S.S. Ourang Medan that sailed through the Strait of ...