Category Archives: Radar

Milestones in the History of Technology: Week of February 29, 2016

February 29, 1939 The klystron vacuum tube, the first significantly powerful source of radio waves in the microwave range, is set up at the Boston airport and a plane successfully blind-lands before a group of top military officials. The klystron, … Continue reading

Posted in Computer history, Radar, Telegraph, Uncategorized, World Wide Web | 1 Comment

Radar Invented

Today in 1935, Scottish physicist Robert Watson-Watt demonstrated in┬áDaventry, England,┬áthat radio waves could be reflected by an aircraft. The experiment, prompted by fears of the development of death rays by Germany, launched a research program into what later will be … Continue reading

Posted in Innovation, Radar, Radio, This day in information | 2 Comments