direct edge
121Stone Age — the period in the history of humankind, preceding the Bronze Age and the Iron Age, and marked by the use of stone implements and weapons: subdivided into the Paleolithic, Mesolithic, and Neolithic periods. [1860 65] * * * First known period of… …
122Mathematics and Physical Sciences — ▪ 2003 Introduction Mathematics Mathematics in 2002 was marked by two discoveries in number theory. The first may have practical implications; the second satisfied a 150 year old curiosity. Computer scientist Manindra Agrawal of the… …
123Dynamic random-access memory — DRAM redirects here. For other uses, see Dram (disambiguation). Computer memory types Volatile RAM DRAM (e.g., DDR SDRAM) SRAM In development T RAM Z RAM TTRAM Historical Delay line memory Selectron tube Williams tube …
124Comparison of cricket and baseball — Cricket and baseball are the best known members of a family of related bat and ball games. While many of their rules, terminology, and strategies are similar, there are many differences some subtle, some major between the two games. Other present …
125Flight control modes (electronic) — New aircraft designs like this Boeing 777 rely on sophisticated flight computers to aid and protect the aircraft in flight. These are governed by computational laws which assign flight control modes during flight Aircraft with fly by wire flight… …
126lead — I (New American Roget s College Thesaurus) v. t. conduct, direct; precede; open, start; bring; spend, pass. See authority, direction, beginning, precedence. II (Roget s IV) modif. Syn. leading, head, foremost; see best 1 , first 1 , principal . n …
127WAR AND WARFARE — TO THE DESTRUCTION OF THE FIRST TEMPLE The methods of offensive and defensive warfare developed side by side in the Ancient Near East. The development of weapons was dependent upon the supply of raw materials, such as stone, metal, and wood; the… …
128Mirror neuron — A mirror neuron is a neuron that fires both when an animal acts and when the animal observes the same action performed by another.[1][2] [3] Thus, the neuron mirrors the behaviour of the other, as though the observer were itself acting. Such… …
