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Newcomen, Thomas
(Encyclopedia) Newcomen, ThomasNewcomen, Thomasny&oomacr;ˈkəmən, ny&oomacr;kŭmˈən [key], 1663–1729, English inventor of an early atmospheric steam engine (c.1711). It was an improvement over…Mérida, city, Mexico
(Encyclopedia) MéridaMéridamāˈrēᵺä [key], city (1990 pop. 523,422), capital of Yucatán state, SE Mexico. It is the chief commercial, communications, and cultural center of the Yucatán peninsula.…Grand Coulee Dam
(Encyclopedia) Grand Coulee Dam Grand Coulee Dam k&oomacr;ˈlē [key], 550 ft (168 m) high and 4,173 ft (1,272 m)…white-eye
(Encyclopedia) white-eye, common name for warblerlike, arboreal birds, including 85 species in the family Zosteropidae, and for certain species of ducks. The members of Zosteropidae, with the…What is an “exotic” fish?
Source: National Marine Fisheries Services' Northeast Fisheries Science Center The most often quoted estimate is 20,000. There may be as many as 20,000 more. Which is the oldest type of…How does the consumer know that shellfish are safe to eat?
Source: National Marine Fisheries Services' Northeast Fisheries Science Center They are the same species. A soft-shell crab is one that has just discarded its shell. Crabs that have just…hydraulic machine
(Encyclopedia) CE5 Hydraulic pressure: In any hydraulic device the pressure exerted by one piston is transmitted throughout the fluid. Since pressure equals force divided by area, a small force (…A Guide to Inventions and Discoveries From Adrenaline to the Zipper
From Adrenaline to the Zipper See also Famous Firsts in Aviation, Nobel Prizes.Adrenaline:(isolation of) John Jacob Abel, U.S., 1897.Aerosol can:Erik Rotheim, Norway, 1926.Air brake:George…Trending
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