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Bessemer process. The Bessemer process was the first inexpensive industrial process for the mass production of steel from molten pig iron before the development of the open hearth furnace. The key principle is removal of impurities from the iron by oxidation with air being blown through the molten iron. The oxidation also raises the temperature ...
In the Year 2889 ( La Journée d’un journaliste américain en 2889 in French) is an 1889 short story published under the name of Jules Verne, but now believed to be mainly the work of his son Michel Verne, based on his father's ideas. [ 1] The first publication was in English in February 1889, in the American magazine The Forum .
Online video platforms allow users to upload, share videos or live stream their own videos to the Internet. These can either be for the general public to watch, or particular users on a shared network. The most popular video hosting website is YouTube, 2 billion active until October 2020 and the most extensive catalog of online videos. [1]
80 minutes. Production company. Azalea Pictures. Original release. Release. January 19, 1969. ( 1969-01-19) In the Year 2889 (also known as Year 2889) is a 1967 American made-for-television horror science fiction film from American International Pictures about the aftermath of a future nuclear war. [ 1] The film stars Paul Petersen, Quinn O ...
Depiction of the patio process at the Hacienda Nueva de Fresnillo, Zacatecas state ( Mexico ), Pietro Gualdi, 1846. The patio process is a process for extracting silver from ore. Smelting, or refining, is most often necessary because silver is only infrequently found as a native element like some metals nobler than the redox couple 2 H + + 2 e ...
198. ISBN. 978-4-87233-126-4. OCLC. 845651040. The Complete Manual of Suicide (完全自殺マニュアル, Kanzen Jisatsu Manyuaru, lit. Complete Suicide Manual) is a Japanese book written by Wataru Tsurumi. He is the writer on the problem of "hardness of living" in Japanese society. It was first published on July 4, 1993, and sold more than ...
Kamala Harris’ efforts to shut down “lock him up” chants targeting Donald Trump at rallies may be an effort to avoid further delays in his Jan. 6 election interference trial.
The Penrose process (also called Penrose mechanism) is theorised by Sir Roger Penrose as a means whereby energy can be extracted from a rotating black hole. [1] [2] [3] The process takes advantage of the ergosphere – a region of spacetime around the black hole dragged by its rotation faster than the speed of light, meaning that from the point of view of an outside observer any matter inside ...