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engine

Benützer: ComputerHistory

Charles Babbage and his Difference Engine #2 [Recorded: April 2008] Charles Babbage (1791-1871), computer pioneer, designed the first automatic computing engines. He invented computers but failed to build them. The first complete Babbage Engine was completed in London in 2002, 153 years after it was designed. Difference Engine No. 2, built faithfully to the original drawings, consists of 8,000 parts, weighs five tons, and measures 11 feet long. OVERVIEW - In London, during the summer of 1821, Charles Babbage, inventor and mathematician, is poring over a set of astronomical tables calculated by hand. Finding error after error he finally exclaims 'I wish to God these calculations had been executed by steam'. His appeal to machinery, in one of the most resonant utterances of the 19th century, was the start of a new era of automatic computation. It was not only the grindingly tedious labor of verifying a sea of figures that exasperated Babbage, but their daunting unreliability. Engineering, astronomy, construction, finance, banking and insurance depended on printed tables for calculation. Ships navigating by the stars relied on printed tables to find their position at sea. The stakes were high. Capital and life were thought to be at risk. Babbage embarked on an ambitious venture to design and build mechanical calculating engines to eliminate the risk of human error in the production of printed tables. The 'unerring certainty of machinery' would solve the problem of human fallibility. His work on the engines led him from mechanized arithmetic to the entirely new realm of automatic computation. Tabular errors provided a practical stimulus. But this was not his only motive. He also saw his engines as a new technology of mathematics. Babbage himself failed to build a complete calculating engine and his designs remained an historical curiosity for over 150 years. Finally, in 2002, the first full-size Babbage Engine (Difference Engine No. 2), built faithfully to the original designs, was completed at the Science Museum in London, the culmination of a seventeen year project. The Engine consists of 8,000 parts, weighs 5 tons and measures eleven feet long and seven feet high. It works as Babbage intended, and brings to a close an anguished chapter in the prehistory of computing. A MODERN SEQUEL - A duplicate engine is on display and demonstrated at the Computer History Museum in Mountain View, California till May 2009. It is a sumptuous piece of engineering sculpture and an arresting sight in operation. This video is from that exhibit. Learn more about Charles Babbage, Difference Engine #2 and the exhibit by visiting: WWW.COMPUTERHISTORY.ORG/BABBAGE Tags: Computer History Babbage Difference Engine Calculator

Benützer: Yoryevrah

STIRLING ENGINE: Bracebridge Fall Fair At the Bracebridge Canada Fail Fair Sept 2006, a man explains his 1895 'stirling engine': highly efficient, long-lasting, quiet, reliable, low-maintenance, off-the-grid. Filmed by alternative energy systems engineer Barry Miller; edited by Snowshoe Documentary Films (nerak); banjo by Andy Fitzgibbon. (snowshoefilms.com) Tags: stirling engine efficient environmental quiet Bracebridge Fall Fair Ontario 2006 Barry Miller snowshoefilms nerak

Benützer: cronicjhonez

Engine No.9 Wilson Pickett Wilson stops his engine In Philadelphia, but this trains a local goin from there and STRAIGHT OUT to COMPTON Tags: soul funk engine number nine back on time wilson pickett

Benützer: schoolmusic

S/S Norway: SS Norway's Engine Room Rare video from the SS Norway's closed circuit television station. 1985. This was broadcast throughout the ship's passenger and crew cabins and features information on this wonderful ocean liner (may she rest in peace.) Tags: ss norway cruise ship ncl s.s.

Benützer: GoogleDevelopers

App Engine and Scaling How does BuddyPoke Scale with App Engine? Tags: BuddyPoke OpenSocial developer application hi5 orkut myspace facebook

Benützer: w0lf65

Renault F1 engine on dyno Renault F1 engine on dyno Tags: Renault F1 Formula One Dyno Engine v10

Benützer: c0ew42e70

PC Engine World / PCエンジンワールド チラビデオ 「PCエンジンワールド」 PCエンジンプロモーションビデオ Tags: Array

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