D.E.V.I.C.E. is an encyclopedia of terms used by manufacturers of test and measurement equipment. T&M Atlantic created this service to better explain the functionality of instruments it offers, and to highlight the latest developments in the world of measurement equipment. We are using such tools as animation to bring words and pictures to life and to create not just an understanding but also an appreciation for technology that goes into the design of every instrument.
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The first workable transistor was demostrated on December 24, 1947. Its creators were employees of Bell Telephone Laboratories company. Their names are now known to the whole world, these are scientists-physicists Walter Brattain, William Shockley and John Bardeen.
On October 2, 1608 Hans Lippershey (a German-born Dutch inventor, optician and eyeglass maker, most likely creator of the telescope) presented his invention to the Dutch government. It was the prototype of the modern mirror telescope.
Om November 8, 1895 Wilhelm Conrad Röntgen discovered X-rays. This happened unexpectedly. Late in the evening when the scientist was going to leave the laboratory and had already turned off the light in the room he suddenly saw a greenish glow in the darkness, fluorescence, which emanated from the screen covered with barium platinum-cyanide crystals.