molten crater
91Cinder cone — For peaks named Cinder Cone , see list of peaks named Cinder Cone. Schematic representation of the internal structure of a typical cinder cone. A cinder cone or scoria cone is a steep conical hill of volcanic fragments that accumulate around and… …
92caldera — /kal der euh, kawl /, n. a large, basinlike depression resulting from the explosion or collapse of the center of a volcano. [1860 65; < Sp Caldera, name of a crater on Canary Islands, lit., cauldron < LL caldaria, n. use of fem. of caldarius of… …
93Italy — • In ancient times Italy had several other names: it was called Saturnia, in honour of Saturn; Enotria, wine producing land; Ausonia, land of the Ausonians; Hesperia, land to the west (of Greece); Tyrrhenia, etc. The name Italy, which seems to… …
94Humphry Davy — Sir Humphry Davy, Bt Portrait by Henry Howard, 1803 Born …
95Shaped charge — Sectioned high explosive anti tank round with the inner shaped charge visible …
96Nuclear weapon design — The first nuclear weapons, though large, cumbersome and inefficient, provided the basic design building blocks of all future weapons. Here the Gadget device is prepared for the first nuclear test: Trinity. Nuclear weapon designs are physical,… …
97Volcanic rock — is an igneous rock of volcanic origin. Texture Volcanic rocks are usually fine grained or aphanitic to glassy in texture. They often contain clasts of other rocks and phenocrysts. Phenocrysts are crystals that are larger than the matrix and are… …
98Shadow (Babylon 5) — The Shadows are an ancient alien species in the science fiction television series Babylon 5 . Their homeworld is Z ha dum. In contrast to the Vorlons, whose philosophy is represented by the question Who are you? that of the Shadows is represented …
99Tachylite — (also spelled tachylyte) is a vitreous form of basaltic volcanic glass. This glass is formed naturally by the rapid cooling of molten basalt. It is a basic type of igneous rock that is decomposable by acids and readily fusible. The color is a… …
100cosmos — /koz meuhs, mohs/, n., pl. cosmos, cosmoses for 2, 4. 1. the world or universe regarded as an orderly, harmonious system. 2. a complete, orderly, harmonious system. 3. order; harmony. 4. any composite plant of the genus Cosmos, of tropical… …
