Radiowaves around us — Тексты по английскому языку
Оригинал на английском Radiowaves around us During the last few decades, a subtle change has occurred which none of our senses can register. Radio waves, bearing messages in many tongues,…
Miniaturization — Тексты по английскому языку
Оригинал на английском Miniaturization 1. There are several advantages in making computers as small as one can. Sometimes weight is particularly important. A modern aircraft, for example carries quite a…
Kinds of Computers — Тексты по английскому языку
Оригинал на английском Kinds of Computers 1. Computers are frequently divided into two groups according to the jobs they perform. These groups are general-purpose computers and special-purpose computers. A general-purpose…
History of Lasers — Тексты по английскому языку
Оригинал на английском History of Lasers Just thirty years ago, neither laser installations nor the very word laser were in existence. Today, lasers are used in electronics, medicine, engineering, communications,…
Electronics — Тексты по английскому языку
Оригинал на английском Electronics Electronics is the science or practice of using electricity in devices similar to transistors and radio tubes so as to get results not possible with ordinary…
Lasers and Masers — Тексты по английскому языку
Оригинал на английском Lasers and Masers 1. A laser is a machine for making and concentrating light waves into a very intense beam. The letters LASER stand for Light Amplification…
Loudspeaker heads — Тексты по английскому языку
Оригинал на английском Loudspeaker heads The loudspeaker heads are classified according to the principle of operation, the radiation method, the bandwidth of the transmitted frequencies, the field of application, etc….
What is loudspeakers? — Тексты по английскому языку
Оригинал на английском What is loudspeakers? A loudspeaker is a device designed to efficiently emit sound into an environment in the air, containing one or more loudspeaker heads in the…
What is Multimeter — Тексты по английскому языку
Оригинал на английском What is Multimeter Multimeter is a combined electrical measuring instrument that combines several functions. In the minimum set includes the functions of a voltmeter, an ammeter and…
How cars work — Тексты по английскому языку
Оригинал на английском How cars work Cars are very complicated machines and all systems in them work together. They power a car, control and steer it and make it comfortable…
LASER — Тексты по английскому языку
Оригинал на английском What Is a Laser? The word laser is an acronym for light amplification by stimulated emission of radiation, although common usage today is to use the word…
Computer viruses — Тексты по английскому языку
Оригинал на английском Computer viruses Computer viruses are mysterious and grab our attention. On the one hand, viruses show us how vulnerable we are. A properly engineered virus can have…