continuous surface mirror
101String theory — This article is about the branch of theoretical physics. For other uses, see String theory (disambiguation). String theory …
102Adaptive optics — (AO) is a technology used to improve the performance of optical systems by reducing the effects of rapidly changing optical distortion. It is used in astronomical telescopes and laser communication systems to remove the effects of atmospheric… …
103Orbifold — This terminology should not be blamed on me. It was obtained by a democratic process in my course of 1976 77. An orbifold is something with many folds; unfortunately, the word “manifold” already has a different definition. I tried “foldamani”,… …
104Tollens' reagent — Tollens test: left side positive(silver mirror), right side negative …
105List of Universal Century technology — This is a list of fictional technology from the Universal Century timeline of the Gundam anime metaseries. Real Life History These technologies first debuted in Gundam Century , written by fans at that time, later endorsed by Sunrise and Bandai,… …
106eastern Africa — ▪ region, Africa Introduction part of sub Saharan Africa comprising two traditionally recognized regions: East Africa, made up of Kenya, Tanzania, and Uganda; and the Horn of Africa, made up of Somalia, Djibouti, Eritrea, and Ethiopia.… …
107Solar sail — Solar sails (also called light sails or photon sails, especially when they use light sources other than the Sun) are a proposed form of spacecraft propulsion using large membrane mirrors. Radiation pressure is about 10 5 Pa at Earth s distance… …
108Rotating furnace — A rotating furnace is a device used to create lenses or primary mirrors for optical telescopes. It was observed that the centrifugal force induced shape of a spinning liquid is approximately the same as the shape of a telescope s primary focusing …
109Glossary of nautical terms — This is a glossary of nautical terms; some remain current, many date from the 17th 19th century. See also Wiktionary s nautical terms, Category:Nautical terms, and Nautical metaphors in English. Contents: A B C D E F G H I J K L M N O P Q R …
110Self-portrait — A Self portrait is a representation of an artist, drawn, painted, photographed, or sculpted by the artist. Although self portraits have been made by artists since the earliest times, it is not until the Early Renaissance in the mid 1400s that… …
