amorphous transition
91Cristobalite — spheres formed via devitrification (loss of silica) from the obsidian matrix (California, USA) 5.9×3.8×3.8 cm. General Category Silicate mineral …
92hydrosphere — /huy dreuh sfear /, n. the water on or surrounding the surface of the globe, including the water of the oceans and the water in the atmosphere. [1885 90; HYDRO 1 + SPHERE] * * * Discontinuous layer of water at or near the Earth s surface. It… …
93Metal — This article is about metallic materials. For other uses, see Metal (disambiguation). Some metal pieces Metals Alkali metals …
94Carbon nanotube — Not to be confused with Carbon fiber. Part of a series of articles on Nanomaterials Fullerenes …
95Walkman — This article is about the Walkman brand. For information about the generic item, see Personal stereo. Walkman Walkman Line up in USA (2011) …
96Vitrification — is a process of converting a material into a glass like amorphous solid that is free from any crystalline structure, either by the quick removal or addition of heat, or by mixing with an additive. Solidification of a vitreous solid occurs at the… …
97HEBREW LITERATURE, MODERN — definition and scope beginnings periodization …
98Chemical reaction — Chemical reactions redirects here. For the 2007 television episode, see Chemical Reactions (Men in Trees). A thermite reaction using iron(III) oxide. The sparks …
99Germany — /jerr meuh nee/, n. a republic in central Europe: after World War II divided into four zones, British, French, U.S., and Soviet, and in 1949 into East Germany and West Germany; East and West Germany were reunited in 1990. 84,068,216; 137,852 sq.… …
100Latin America, history of — Introduction history of the region from the pre Columbian period and including colonization by the Spanish and Portuguese beginning in the 15th century, the 19th century wars of independence, and developments to the end of World War II.… …
