making a right angle
91Speed of light — The speed of light in the vacuum of free space is an important physical constant usually denoted by the letter c . [NIST and BIPM practice is to use c 0 for the speed of light in vacuum in accord with international standard ISO 31 5. See… …
92Novikov self-consistency principle — The Novikov self consistency principle, also known as the Novikov self consistency conjecture, is a principle developed by Russian physicist Igor Dmitriyevich Novikov in the mid 1980s to solve the problem of paradoxes in time travel, which is… …
93Ray transfer matrix analysis — (also known as ABCD matrix analysis) is a type of ray tracing technique used in the design of some optical systems, particularly lasers. It involves the construction of a ray transfer matrix which describes the optical system; tracing of a light… …
94List of Chinese inventions — A bronze Chinese crossbow mechanism with a buttplate (the wooden components have …
95Battle of Delville Wood — Part of the Battle of the Somme in the First World War …
96Fenway Park — Infobox Stadium stadium name = Fenway Park nickname = America s Most Beloved Ballpark , The Fens location = 4 Yawkey Way Boston, Massachusetts 02215 coordinates = Coord|42|20|47|N|71|5|51|W|type:landmark broke ground = September 25, 1911 opened …
97Mosque of Uqba — Great Mosque of Kairouan Overview of the mosque s courtyard which is surrounded by colonnaded arches Basic information Location …
98Manila Ice — is first and foremost a type of punch originally named for the Filipino boxer Manny Pacquiao, a 3 time BWAA and The Ring Fighter of the Year awardee, current no. 1 Pound for Pound boxer, and the first 7 division world champion in boxing history.… …
99Miter — Mi ter, Mitre Mi tre, n. [F. mitre, fr. L. mitra headband, turban, Gr. ?.] 1. A covering for the head, worn on solemn occasions by bishops and other church dignitaries. It has been made in many forms, the present form being a lofty cap with two… …
100Miter box — Miter Mi ter, Mitre Mi tre, n. [F. mitre, fr. L. mitra headband, turban, Gr. ?.] 1. A covering for the head, worn on solemn occasions by bishops and other church dignitaries. It has been made in many forms, the present form being a lofty cap with …