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    • Who Invented the Microphone?

      Who Invented the Microphone?

      A microphone is a device that converts acoustic power into electric power. Both the acoustic power and the electric power have similar wave characteristics that convert sound waves into electric voltages that eventually convert back into sound waves through speakers. Microphone were used with the first telephones, and then with radio transmitters soon after. Sir

    • The History of Cell Phones

      The History of Cell Phones

      Cell phone technology¬† is based on radio technology that was developed from the 1940’s onward. For instance, the beginning of cell phones can be traced to the innovation in taxi cabs, police cars, and other service vehicles where two way radios allowed taxi drivers or police officers to communicate with one another or with a

    • Who Invented the Projector?

      Who Invented the Projector?

      A Projector is an optical instrument that is used to project a picture on a blank screen with the help of reflection or as done by a lantern. Basically, it enlarges and reflects an object. This is done with the help of lenses, prism and mirror that is used as a reflector. Apart from other

    • The History of UNIX

      The History of UNIX

      UNIX is one of the most important operating systems ever developed. What made Unix stand out in the crowd of countless other operating systems is that it was a competent operating system that was extremely affordable and worked on low cost hardware. Economics definitely played a large part in UNIX’s popularity and today it is

    • The History of Satellite Television

      The History of Satellite Television

      In order to understand the history of satellite television, you first have to go all the way back to the 1950's during the space race between the USA and Russia. The first satellite to orbit the earth was Sputnik, launched by the Russians in 1957. It was 6 years later until the first communications satellite

    • The History of the Internet

      The History of the Internet

      Introduction The Internet has truly revolutionized the world. From its extremely humble beginnings to its rapid growth, nothing in perhaps the history of the world has brought so much information to the masses and has helped individuals communicate with others. While the Internet might seem simplistic in theory, it took quite a few innovations to

    • Who Invented the Television?

      Who Invented the Television?

      Who invented the television is a hotly debated question. The invention of the television grew out of the invention of the radio. Since you can easily send sound through the air waves many inventors starting thinking of the possibility of not only sound being sent through the airwaves, but also images. On December 2, 1922,

    • Who Invented the Radio?

      Who Invented the Radio?

      Radio was not invented by any single person, but instead was a culmination of several scientists’ research, each of whom pioneered a different area of electromagnetic radiation and radio waves during the late 1800s and early 1900s. Among these men are well known researchers such as Heinrich Rudolf Hertz, James Clerk Maxwell, David E. Hughes,

    • The History of Computer Viruses

      The History of Computer Viruses

      Computer viruses have been around just about as long as the personal computer has existed. With the advent of the Internet, the ability of viruses to rapidly spread has increased substantially. Despite this increase in capability to infect large numbers of computers across international borders, the definition of a computer virus has not substantially changed

    • Who Invented the Cell Phone?

      Who Invented the Cell Phone?

      Dr. Martin Cooper is the person credited with both inventing the modern cell phone as well as making the first cell phone call in New York City, New York in April 1973. A related invention is the cave radio phone invented by Nathan Stubblefield who was awarded a patent for the idea in the early

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