1800 – Alessandro Volta dated a letter
announcing his invention of the voltaic pile to Sir Joseph Banks, president of
the Royal Society, London. We’ve been dealing with battery life ever since.
1886 – The first alternating current power
plant in the United States began providing power to Main Street in Great
Barrington, Mass.
1909 – Founder of ACM Edmund
Berkeley Born
Edmund
Berkeley, founder of the Association of Computing Machinery, is born. A
graduate of Harvard University, Berkeley participated in the development of
Harvard’s Mark II while enlisted in the Navy during World War II. In addition
to co-founding the ACM in 1947, he wrote one of the first books on computers
intended for a general audience, Giant Brains, or Machines that Think.
1916 – The Foundation of the
General Theory of Relativity
Albert
Einstein sent a paper off to Annelen Der Physik. The paper was called “Die
Grundlage der Allgemeinen Relativitatstheorie” – translated as “The Foundation
of the General Theory of Relativity”.
The paper included the Principle considerations about the
postulate of Relativity, Mathematical auxiliaries for establishing the general
covariant equations, theory of gravitational fields, and Newton’s theory as
first approximation.
For years thereafter, people studied this theory and tried
to prove or disprove it.
2005 – Yahoo Acquires Flickr
Yahoo
acquires the company Ludicorp along with its popular photo-sharing site Flickr.
It is reported that Flickr currently hosts more than 5 billion photos.
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