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aviation medicine
(Encyclopedia) aviation medicine, scientific study of the biological effects of aviation, especially on human beings. Although aviation medicine is concerned with such problems as the spread of…basic oxygen process
(Encyclopedia) basic oxygen process, method of producing steel from a charge consisting mostly of pig iron. The charge is placed in a furnace similar to the one used in the Bessemer process of…personal watercraft
(Encyclopedia) personal watercraft (PWC), a lightweight vessel usually less than 16 ft (5 m) long that uses an inboard water jet pump, powered by an internal-combustion engine, as its primary source…sanitary science
(Encyclopedia) sanitary science, principles of health preservation, embracing hygiene, on an individual level, and public health, on a communal level. Those who specialize in sanitary science are…incinerator
(Encyclopedia) incinerator, furnace for burning refuse. The older and simpler kind of incinerator was a brick-lined cell with a metal grate over a lower ash pit, with one opening in the top or side…temperature inversion
(Encyclopedia) temperature inversion, condition in which the temperature of the atmosphere increases with altitude in contrast to the normal decrease with altitude. When temperature inversion occurs…Erzgebirge
(Encyclopedia) ErzgebirgeErzgebirgeĕrtsˈgəbĭrˌgə [key] [Ger.,=ore mountains], Czech Krušné Hory, mountain range, along the Czech–German border, extending c.95 mi (150 km) from the Fichtelgebirge in…pollution allowance
(Encyclopedia) pollution allowance or emission rights, government-issued permit to emit a certain amount of a pollutant. The holder of the permit may use it to pollute legally, may trade permits, or…November 2021 Current Events: Disaster News
Top of Page World News | Science & Technology News | US News The world is a very busy place, and it's hard to stay on top of everything. Infoplease has got you covered. Here are the US news…The World's Worst Pollution Problems, 2008
In 2006 and 2007, Blacksmith Institute and Green Cross Switzerland released lists of the "World's Worst Polluted Places." For 2008, they have updated their methodology to focus on…Trending
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