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Douhet, Giulio

(Encyclopedia)Douhet, Giulio jo͞oˈlyō do͞oāˈ [key], 1869–1930, Italian military officer and early advocate of airpower. He was an early supporter of strategic bombing and the military superiority of air for...

flag, symbolic cloth

(Encyclopedia)flag, piece of cloth, usually bunting or similar light material, plain, colored, or bearing a device, varying in size and shape, but often oblong or square, used as an ensign, standard, or signal or f...

Shetland sheepdog

(Encyclopedia)Shetland sheepdog, breed of small, agile working dog perfected in the Shetland Islands in the 19th cent. It stands from 13 to 16 in. (33.0–40.6 cm) high at the shoulder and weighs about 15 lb (7 kg)...

Arklow

(Encyclopedia)Arklow ärˈklō [key], town, Co. Wicklow, E Republic of Ireland, on St. George's Channel at the mouth of the Avoca River. The town has become a popular resort and has a s...

monotreme

(Encyclopedia)monotreme mŏnˈətrēmˌ [key], name for members of the primitive mammalian order Monotremata, found in Australia, Tasmania, and New Guinea. The only members of this order are the platypus, or duckbi...

Hiroshima

(Encyclopedia)Hiroshima hĭrˌōshēˈmə, hērōˈshmä [key], city, capital of Hiroshima prefectu...

fuzzy logic

(Encyclopedia)fuzzy logic, a multivalued (as opposed to binary) logic developed to deal with imprecise or vague data. Classical logic holds that everything can be expressed in binary terms: 0 or 1, black or white, ...

Jay, Ricky

(Encyclopedia)Jay, Ricky, 1946–2018, American magician, actor, and writer, b. Brooklyn, N.Y., as Richard Jay Potash. The grandson of a fine amateur magician, Jay first performed at age four and as a teenager bega...

Zawahiri, Ayman al-

(Encyclopedia)Zawahiri or Zawahri, Ayman al- both: īˈmän äl-zäwäˈrē [key], 1951–, militant Egyptian Islamist. A surgeon by education and training, he became involved with the Muslim Brotherhood and joined...

air forces

(Encyclopedia)air forces, those portions of a nation's military organization employing heavier-than-air aircraft for reconnaissance, support of ground troops, aerial combat, and bombing of enemy lines of communicat...