A PET scanner is a commonly used medical device which scans the whole human body for detecting diseases such cancer. It was invented in 1972 by Edward J. Hoffman and fellow scientist Michael Phelps posted on 15-10-2009 Copyright 2009 Worldwide Independent Inventors Association All rights reserved.
A video game console is an interactive entertainment computer or electronic device that produces a video display signal which can be used with a display device such as a television to display a video game. A joystick or control pad is often used to simulate and play the video game. It […]
Electronic mail, often abbreviated to e-mail, is any method of creating, transmitting, or storing primarily text-based human communications with digital communications systems. Ray Tomlinson as a programmer while working on the United States Department of Defense’s ARPANET, invented electronic mail and sent the first message on a time-sharing computer. […]
Microprocessor A microprocessor incorporates most or all of the functions of a central processing unit (CPU) on a single integrated circuit (IC).The first microprocessors emerged in the early 1970s and were used for electronic calculators, using binary-coded decimal (BCD) arithmetic on 4-bit words. Other embedded uses of […]
The personal computer (PC) is any computer whose original sales price, size, and capabilities make it useful for individuals, and which is intended to be operated directly by an end user, with no intervening computer operator. The Kenbak-1 is considered by the Computer History Museum and the […]
A laser printer is a common type of computer printer that rapidly produces high quality text and graphics on plain paper. The laser printer was invented at Xerox in 1969 by researcher Gary Starkweather, who had an improved printer working […]
Racquetball is a racquet sport played with a hollow rubber ball in an indoor or outdoor court. Joe Sobek is credited with inventing the sport of racquetball in the Greenwich YMCA, though not with naming it. A professional tennis player and handball player, Sobek sought a fast-paced sport that was […]
Stereo 8, commonly known as the eight-track cartridge or eight-track, is a magnetic tape sound recording technology. In 1964, William Lear invented the eight-track, which went on to become the most popular musical medium from the mid-1960s to the early 1980s posted on 15-10-2009 Copyright 2009 Worldwide […]
Mouse (computing) In computing, a mouse is a pointing device that functions by detecting two-dimensional motion relative to its supporting surface. The mouse’s motion typically translates into the motion of a pointer on a display, which allows for fine control of a Graphical User Interface. Douglas Engelbart invented […]
A jet injector is a type of medical injecting syringe that uses a high-pressure narrow jet of the injection liquid instead of a hypodermic needle to penetrate the epidermis, the purpose being to reduce the pain associated with needle injection. It is powered by compressed air or gas, […]
