Two Americans Invented the First Laser

Charles Hard Townes and Arthur Leonard Schawlow, physicists from New York, NY USA invented the laser in 1951. Continue reading

Edison Invents the Phonograph

Thomas Alva Edison secured a U.S. patent on February 19, 1878 in Menlo Park, NJ, USA for the phonograph or speaking machine design which developed from an idea for a telegraph repeater. Continue reading

Invention of FIrst Sound Recording Device

Emile-Hortensius-Charles Cros, French poet and inventor designed the paleophone or type of phonograph on April 30, 1877. Continue reading

Sony Watchman TV

Sony KK of Japan introduced the Watchman in 1984, Continue reading

Mass Produced Double-Sided Recording Discs

In 1904, a manufacturing company called Odeon Company of Germany began mass-producing double-sided recording discs. Continue reading

Masaru Ibuka

Ibuka graduated from Waseda University in 1933, he then went to work at Photo-Chemical Laboratory, a company which processed movie film, and later served in the Imperial Japanese Navy during World War II, being a member of the Imperial Navy Wartime Research Committee. Continue reading

Akio Morita

Akio Morita was born in Nagoya, Aichi, Japan. Morita's family was involved in sake, miso and soy sauce production in the village of Kosugaya (currently a part of Tokoname City) on the western coast of Chita Peninsula in Aichi Prefecture since 1665. Continue reading

Walkman, First personal stereo cassette player

The Walkman, designed by Masaru Ibuka and Akio Morita, founders of the consumer electronics manufacturer Sony KK of Tokyo, Japan. Continue reading

John Bardeen

John Bardeen (/bɑːrˈdiːn/; May 23, 1908 – January 30, 1991) was an American physicist and electrical engineer, the only person to have won the Nobel Prize in Physics twice: first in 1956 with William Shockley and Walter Brattain for the invention of the transistor; and again in 1972 with Leon N Cooper and John Robert Schrieffer for a fundamental theory of conventional superconductivity known as the BCS theory. Continue reading

Bell Telephone Laboratories invents the Transistor and changed the world

At the Bell Telephone Laboratories, Murray Hill, NJ, USA, the first demonstration of a transistor took place on June 30th 1948. Continue reading