Search

The article focuses on the invention of a traffic radar, or better known as the Electromatic Speed Meter developed by a company in Norwalk, Connecticut. A transmitter-receiver unit in a small black box is placed on a fender with its black glass front facing oncoming traffic. The policeman jots down the licenses and descriptions of violators, and radios them to a second police car stationed a mile farther along the highway.

The article reports on the development of gadgets such as radars, sonar, mobile telephone, and magnetic mine at the Bell Telephone Laboratories in the U.S. From the British technology magnetron, the modern radars was developed. The author explores the advantages and enhancements in these technologies.

The article offers an anecdote about an admiral in the Navy who commands a convoy from Casablanca, Morocco to New York. The admiral then noticed at the radar aboard his ship that a pip began to move. He called on his TBS radio on find out what ship it is. He then realized that it was his own flagship that held the mysterious pip.