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Sumatra
(Encyclopedia)Sumatra so͝omäˈtrə [key], island (1990 pop. 36,471,731), c.183,000 sq mi (473,970 sq km), Indonesia, in the Indian Ocean along the equator, S and W of the Malay Peninsula (from which it is separat...sulfur
(Encyclopedia) CE5 Sulfur crystals sulfur or sulphur sŭlˈfər [key], nonmetallic chemical element; symbol S; at. no. 16; interval in which at. wt. ranges 32.059–32.076; m.p. 112.8℃ (rhombic), 119.0℃ (mon...Thailand
(Encyclopedia) CE5 Thailand tīˈlănd, –lənd [key], Thai Prathet Thai [land of the free], officially Kingdom of Thailand, constitutional monarchy (2015 est. pop. 68,658,000), 198,455 sq mi (514,000 sq km), So...Java
(Encyclopedia)Java jäˈvə [key], island (1990 pop. 107,525,520), c.51,000 sq mi (132,090 sq km), Indonesia, S of Borneo, from which it is separated by the Java Sea, and SE of Sumatra across Sunda Strait. Although...mountain climbing
(Encyclopedia)mountain climbing, the practice of climbing to elevated points for sport, pleasure, or research. Also called mountaineering, it is practiced throughout the world. Many mountain climbing clubs have...electricity
(Encyclopedia) CE5 Electrical and radio symbols electricity, class of phenomena arising from the existence of charge. The basic unit of charge is that on the proton or electron—the proton's charge is designate...mining
(Encyclopedia)mining, extraction of solid mineral resources from the earth. These resources include ores, which contain commercially valuable amounts of metals, such as iron and aluminum; precious stones, such as d...basketball
(Encyclopedia)basketball, game played generally indoors by two opposing teams of five players each. Basketball was conceived in 1891 by Dr. James Naismith, a physical education instructor at the YMCA college in Spr...first aid
(Encyclopedia)first aid, immediate and temporary treatment of a victim of sudden illness or injury while awaiting the arrival of medical aid. Proper early measures may be instrumental in saving life and ensuring a ...topology
(Encyclopedia) CE5 Möbius strip: On the ordinary flat loop (A), an ant walking along the middle of the strip will pass only around the outside of the strip. If the strip is cut along the dotted line, twisted onc...Browse by Subject
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