Born: 1909Birthplace: Connecticut Photographic product comprising a rupturable containing carrying a photographic processing liquid—Land developed the first modern light polarizers and also optical…
(Encyclopedia) Wilkins, Sir George Hubert, 1888–1958, British explorer, b. Australia. He made a number of trips to Antarctica and to the Arctic. Valuable experience gained when he accompanied…
(Encyclopedia) Shackleton, Sir Ernest Henry, 1874–1922, British antarctic explorer, b. Ireland. The first of his voyages to Antarctica was made as a member of the expedition (1901–4) of Robert F.…
Source: Publishers Weekly.HardcoverThe Grim Grotto (A Series of Unfortunate Events #11),Lemony Snicket; illustrated by Brett HelquistsantaKid, James Patterson; illustrated by Michael GarlandMister…
HOW DO GLACIERS FORM? WHAT ARE ICE CAPS? ICEBERG FIND OUT MOREAt the poles and on high mountains, vast areas are covered in ice—in rivers of ice called glaciers, and in layers of ice called ice…
(Encyclopedia) jet stream, narrow, swift currents or tubes of air found at heights ranging from 7 to 8 mi (11.3–12.9 km) above the surface of the earth. They are caused by great temperature…
(Encyclopedia) Ellsworth, Lincoln, 1880–1951, American explorer, b. Chicago, Ill. He was a surveyor and engineer in railroad building and later a prospector and mining engineer in NW Canada. He…
(Encyclopedia) Peary, Robert EdwinPeary, Robert Edwinpērˈē [key], 1856–1920, American arctic explorer, b. Cresson, Pa. In 1881 he entered the U.S. navy as a civil engineer and for several years…
(Encyclopedia) Ross, Sir James Clark, 1800–1862, British polar explorer and rear admiral. In 1818 he accompanied his uncle, Sir John Ross, in search of the Northwest Passage and commanded the Erebus…
(Encyclopedia) Stefansson, VilhjalmurStefansson, Vilhjalmurvĭlˈhyoulmər stĕfˈənsən [key], 1879–1962, Arctic explorer, b. Canada, of Icelandic parents, educated at the Univ. of North Dakota, the State…
