rotating crop
51Europe, history of — Introduction history of European peoples and cultures from prehistoric times to the present. Europe is a more ambiguous term than most geographic expressions. Its etymology is doubtful, as is the physical extent of the area it designates.… …
52technology, history of — Introduction the development over time of systematic techniques for making and doing things. The term technology, a combination of the Greek technē, “art, craft,” with logos, “word, speech,” meant in Greece a discourse on the arts, both… …
53Magnetometer — A magnetometer is a measuring instrument used to measure the strength or direction of a magnetic field either produced in the laboratory or existing in nature. Some countries such as the USA, Canada and Australia classify the more sensitive… …
54climate — /kluy mit/, n. 1. the composite or generally prevailing weather conditions of a region, as temperature, air pressure, humidity, precipitation, sunshine, cloudiness, and winds, throughout the year, averaged over a series of years. 2. a region or… …
55helicopter — /hel i kop teuhr, hee li /, n. 1. any of a class of heavier than air craft that are lifted and sustained in the air horizontally by rotating wings or blades turning on vertical axes through power supplied by an engine. v.i. 2. to fly in a… …
56Food and Agriculture Organization — FAO redirects here. For other uses, see FAO (disambiguation). Food and Agriculture Organization o …
57Hurricane Charley — Infobox Hurricane Name=Hurricane Charley Type=hurricane Year=2004 Basin=Atl Image location=Hurricane Charley 13 aug 2004 1635Z.jpg Florida Formed=August 9, 2004 Dissipated=August 15, 2004 1 min winds=130 Pressure=941 Da Inflated=1 Fatalities=15… …
58List of Texas hurricanes (1944–1979) — The List of Texas hurricanes from 1944 to 1979 ecompasses 29 cyclones that have affected the U.S. State of Texas. Among the worst storms include Hurricane Beulah in 1967, Hurricane Carla in 1961 and Tropical Storm Amelia in 1978. 1945 1949 The… …
59243 Ida — Galileo image of 243 Ida. The tiny dot to the right is its moon, Dactyl. Discovery[1] and designation …
60bearing — /bair ing/, n. 1. the manner in which one conducts or carries oneself, including posture and gestures: a man of dignified bearing. 2. the act, capability, or period of producing or bringing forth: a tree past bearing. 3. something that is… …
