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Amtrak

(Encyclopedia)Amtrak, the National Railroad Passenger Corp., authorized to operate virtually all intercity passenger railroad routes in the United States. Amtrak was created by Congress in 1970 in response to more ...

Hakluyt, Richard

(Encyclopedia)Hakluyt, Richard hăkˈlo͞ot, hăkˈəlwĭt [key], 1552?–1616, English geographer. He graduated in 1574 from Oxford, where he later lectured on geography. A passionate interest in the history of di...

Noyce, Robert Norton

(Encyclopedia)Noyce, Robert Norton nois [key], 1927–90, American engineer, inventor, and entrepeneur, b. Burlington, Iowa.; grad. Grinnell College (B.A., 1949), Massachusetts Institute of Technology (Ph.D., 1953)...

MacNeice, Louis

(Encyclopedia)MacNeice, Louis məknēsˈ [key], 1907–63, Irish poet b. Belfast. Educated at Oxford, he became a classical scholar and teacher and later was a producer and traveled the world for the British Broadc...

Muhammad IV, Ottoman sultan

(Encyclopedia)Muhammad IV or Mehmet IV, 1641–92, Ottoman sultan (1648–87). He was proclaimed sultan of the Ottoman Empire (Turkey) by the corps of Janissaries after the deposition and murder of his father, Sult...

Ferris wheel

(Encyclopedia)Ferris wheel, amusement park ride. It consists of a power-operated wheel that is about 50 ft (15 m) in diameter. It has two rims that are parallel to and equidistant from the shaft about which the whe...

pyroclastic flow

(Encyclopedia)pyroclastic flow, turbulent, fluidized mixture of rock, volcanic ash, and hot gas that moves like an avalanche away from a volcanic eruption. A pyroclastic flow may contain a mix of rock fragments ran...

Olaf I

(Encyclopedia)Olaf I (Olaf Tryggvason) ōˈläf trügˈväsōn [key], c.963–1000, king of Norway (995–1000), great-grandson of Harold I. His early life of exile and slavery is surrounded with romantic legend, a...

streetcar

(Encyclopedia)streetcar, small, self-propelled railroad car, similar to the type used in rapid-transit systems, that operates on tracks running through city streets and is used to carry passengers. Most often cars ...

San Pedro de Macorís

(Encyclopedia)San Pedro de Macorís sän pāˈᵺrō ᵺā mäkōrēsˈ [key], city (1993 pop. 123,987), SE Dominican Republic, on the Caribbean Sea at the mouth of the Higuamo River. It is the nation's leading sug...