In 1884, Paul Gottilieb Nipkov patented the first electromechanical television. In 1923, the first ancestor of the electric scanning television camera known as iconoscope was patented by Vladimir Zworykin. The… Read more »
William Gilbert first coined the term electricity in 1600. The terms magnetic pole, electric attraction and electric force was first used by him. Benjamin Franklin through his well known experiment… Read more »
In 1973, the first cell phone or mobile phone was invented by Dr. Martin Cooper of Motorola and its weight was 2 kg. The DynaTAC 8000x was the first commercially… Read more »
In 1987, a German based company Frauhofer-Gasellshaft discovered the technology of MP3. The research was led by Karlheinz Brandenburg.
The radio was invented in 1895 by an Italian inventor; Guglielmo Macroni who received and sent the radio signals for the first time. The fundamental design for radio was originated… Read more »
In 1965 the first compact disk was invented by a senior scientist, James T. Russell at the Pacific Northwest Laboratory. The first CD player- CDP-101 was released by Sony in… Read more »
In 1672, Blaise Pascal invented the first mechanical computer. Charles Babbage designed the first completely programmable mechanical computer known as “Analytical Engine” in the year 1837. Alan Turing is regarded… Read more »
In 1964, a U.S based inventor, Douglas Englebart invented the first computer mouse which only had one button, carved out of wood and bulky. The ball mouse was invented in… Read more »
The Potato Clock was invented in the year 1983 by William A. Borst. The potato battery was made ready by fixing two metal prods into a potato. He attached two… Read more »
In 1600 B.C, the earliest device that qualifies as a digital computer was the “Abacus” also known as “Soroban”. Simple addition and subtraction can be carried out by this computer.