useful conference
61Light-emitting diode — LED redirects here. For other uses, see LED (disambiguation). Light emitting diode Red, pure green and blue LEDs of the 5mm diffused type Type Passive, optoelectronic Working principle Electr …
62Addition — is the mathematical process of putting things together. The plus sign + means that two numbers are added together. For example, in the picture on the right, there are 3 + 2 apples meaning three apples and two other apples which is the same as… …
63Medicine in medieval Islam — In the history of medicine, Islamic medicine or Arabic medicine refers to medicine developed in the medieval Islamic civilization and written in Arabic, the lingua franca of the Islamic civilization. Despite these names, a significant number of… …
64Computational creativity — (also known as artificial creativity, mechanical creativity or creative computation) is a multidisciplinary endeavour that is located at the intersection of the fields of artificial intelligence, cognitive psychology, philosophy, and the arts.… …
65performing arts — arts or skills that require public performance, as acting, singing, or dancing. [1945 50] * * * ▪ 2009 Introduction Music Classical. The last vestiges of the Cold War seemed to thaw for a moment on Feb. 26, 2008, when the unfamiliar strains …
66Roman Catholicism — the faith, practice, and system of government of the Roman Catholic Church. [1815 25] * * * Largest single Christian denomination in the world, with some one billion members, or about 18% of the world s population. The Roman Catholic church has… …
67Saudi Arabia — a kingdom in N and central Arabia, including Hejaz, Nejd, and dependencies. 20,087,965; ab. 600,000 sq. mi. (1,554,000 sq. km). Cap.: Riyadh. Cf. Mecca. * * * Saudi Arabia Introduction Saudi Arabia Background: In 1902 Abd al Aziz Ibn SAUD… …
68Medical cannabis — American Cannabis Indica purchased at a Medical Cannabis dispensary …
69Communicative ecology — is a conceptual model used in the field of media and communications research to analyse and represent the relationships between the social interactions, discourse, and communication media and technology of individuals, collectives and networks in …
70Convention on Psychotropic Substances — The Convention allows only medical and scientific uses of Schedule I drugs. Signed February 21, 1971 Location Vienna Effective August 16, 1976 Condition 4 …
