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16 July 2014

Transistor



The invention: 

A miniature electronic device, comprising a tiny
semiconductor and multiple electrical contacts, used in circuits
as an amplifier, detector, or switch, that revolutionized electronics
in the mid-twentieth century.

The people behind the invention:

William B. Shockley (1910-1989), an American physicist who led
the Bell Laboratories team that produced the first transistors
Akio Morita (1921-1999), a Japanese physicist and engineer who
was the cofounder of the Sony electronics company
Masaru Ibuka (1908-1997), a Japanese electrical engineer and
businessman who cofounded Sony with Morita

08 June 2014

Touch-tone telephone


The invention: 

A push-button dialing system for telephones that
replaced the earlier rotary-dial phone.

The person behind the invention:

Bell Labs, the research and development arm of the American
Telephone and Telegraph Company

07 June 2014

Tidal power plant



The invention:

Plant that converts the natural ocean tidal forces
into electrical power.

The people behind the invention:

Mariano di Jacopo detto Taccola (Mariano of Siena, 1381-1453),
an Italian notary, artist, and engineer
Bernard Forest de BĂ©lidor (1697 or 1698-1761), a French engineer
Franklin D. Roosevelt (1882-1945), president of the United States