Prior to the second world war the subject was commonly known as 'radio engineering' and basically was restricted to aspects of communications and RADAR, commercial radio and early television. At this ...
The second world war saw tremendous advances in the field of electronics; especially in RADAR and with the invention of the magnetron by Randall and Boot at the University of Birmingham in 1940. Radio ...
John Fleming invented the first radio tube, the diode, in 1904.Reginald Fessenden recognized that a continuous wave needed to be generated to make speech transmission possible, and he continued the wo ...
During the development of radio, many scientists and inventors contributed to radio technology and electronics. In his classic UHF experiments of 1888, Heinrich Hertz demonstrated the existence of air ...
In the 19th century, the subject of electrical engineering, with the tools of modern research techniques, started to intensify. Notable developments in this century include the work of Georg Ohm, who ...
By 1705, Hauksbee had discovered that if he placed a small amount of mercury in the glass of his modified version of Otto von Guericke's generator, evacuated the air from it to create a mild vacuum an ...
Electricity would remain little more than an intellectual curiosity for millennia until 1500When the Italian scientist Girolamo Cardano started a study on electricity in De Subtilitate (1550), disting ...
Thales of Miletus, an ancient Greek philosopher, writing at around 600 B.C.E., described a form of static electricity, noting that rubbing fur on various substances, such as amber, would cause a parti ...
