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The 10% of the brain myth states that humans generally use only one-tenth (or some other small fraction) of their brains. It has been misattributed to many famous scientists and historical figures, notably Albert Einstein.
note Dual exchange rate system (Sayrafa) in effect as of June 2021. The pound or lira [a] is the currency of Lebanon. It was formerly divided into 100 piastres (or qirsh in Arabic) but, because of high inflation during the Lebanese Civil War (1975–1990), subunits were discontinued. The plural of lira is either lirat ( ليرات līrāt) or ...
The angle of incidence, in geometric optics, is the angle between a ray incident on a surface and the line perpendicular (at 90 degree angle) to the surface at the point of incidence, called the normal. The ray can be formed by any waves, such as optical, acoustic, microwave, and X-ray. In the figure below, the line representing a ray makes an ...
Madagascar, officially the Republic of Madagascar, [a] is an island country comprising the island of Madagascar and numerous smaller peripheral islands. Lying off the southeastern coast of Africa, it is the world's fourth largest island, the second-largest island country and the 46th largest country in the world. [14]