radiation restricted area
31Cambrian Period — Oldest time division of the Paleozoic Era. During the Cambrian, 543–490 million years ago, there were widespread seas and several scattered landmasses. The largest continent was Gondwana. The average climate was probably warmer than today, with… …
32Physical Sciences — ▪ 2009 Introduction Scientists discovered a new family of superconducting materials and obtained unique images of individual hydrogen atoms and of a multiple exoplanet system. Europe completed the Large Hadron Collider, and China and India took… …
33Computed tomography — tomos (slice) and graphein (to write).Computed tomography was originally known as the EMI scan as it was developed at a research branch of EMI, a company best known today for its music and recording business. It was later known as computed axial… …
34materials testing — Introduction measurement of the characteristics and behaviour of such substances as metals, ceramics, or plastics under various conditions. The data thus obtained can be used in specifying the suitability of materials for various… …
35cosmos — /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… …
36nervous system disease — Introduction any of the diseases or disorders that affect the functioning of the human nervous system (nervous system, human). Everything that humans sense, consider, and effect and all the unlearned reflexes of the body depend on the… …
37tropical rainforest — Introduction also spelled tropical rain forest luxuriant forest, generally composed of broad leaved trees and found in wet tropical uplands and lowlands around the Equator. Rainforests are vegetation types dominated by broad leaved trees …
38artiodactyl — artiodactylous, adj. /ahr tee oh dak til/, adj. 1. Zool. having an even number of toes or digits on each foot. n. 2. a hoofed, even toed mammal of the order Artiodactyla, comprising the pigs, hippopotamuses, camels, deer, giraffes, pronghorns,… …
39Strategic bombing during World War II — For a list of notable strategic bombings in the European Theatre of World War II, see List of air operations during the Battle of Europe. Main article: Air warfare of World War II Strategic bombing during World War II Part of World War II …
40light — light1 lightful, adj. lightfully, adv. /luyt/, n., adj., lighter, lightest, v., lighted or lit, lighting. n. 1. something that makes things visible or affords illumination: All colors depend on light. 2. Physics …
