Most Recent Posts
Who Invented the Radio?
Who Invented the Radio? Radio owes its development to two other inventions—the telegraph, and the telephone. In fact, all three technologi
Who Invented the Transistor?
Who Invented the Transistor? A transistor is a semiconductor device used to amplify or switch electronic signals and electrical power. It is
When Did the Accurate Mechanical Clocks Appear?
When Did the Accurate Mechanical Clocks Appear? In Europe during most of the Middle Ages (roughly 500 to 1500 A.D.), technological advanceme
Who Invented the Quartz Clock?
Who Invented the Quartz Clock? In 1927, Canadian-born Warren Marrison, a telecommunications engineer, was searching for reliable frequency s
Who Invented the Gramophone?
Who Invented the Gramophone? Early attempts to design a music-playing gadget began in 1877 when Thomas Edison invented his tin-foil phonogra