Search results
Results from the WOW.Com Content Network
The Great Commission Association of Churches (GCAC) is the current name of an Evangelical Christian association of churches that started as a movement in 1965, though not generally recognized as a movement until 1970. The movement at first avoided any denominational affiliation, becoming known in the early 1970s as "The Blitz" or "The Blitz ...
Camera lucida. A camera lucida is an optical device used as a drawing aid by artists and microscopists . The camera lucida projects an optical superimposition of the subject being viewed, onto the surface upon which the artist is drawing. The artist sees both scene and drawing surface simultaneously, as in a photographic double exposure.
Dispersive prism. In optics, a dispersive prism is an optical prism that is used to disperse light, that is, to separate light into its spectral components (the colors of the rainbow ). Different wavelengths (colors) of light will be deflected by the prism at different angles. [ 1] This is a result of the prism material's index of refraction ...
Prism (optics) A familiar dispersive prism. An optical prism is a transparent optical element with flat, polished surfaces that are designed to refract light. At least one surface must be angled — elements with two parallel surfaces are not prisms. The most familiar type of optical prism is the triangular prism, which has a triangular base ...
Nicol prism. A Nicol prism is a type of polarizer. It is an optical device made from calcite crystal used to convert ordinary light into plane polarized light. It is made in such a way that it eliminates one of the rays by total internal reflection, i.e. the ordinary ray is eliminated and only the extraordinary ray is transmitted through the ...
In Christianity, the Great Commission is the instruction of the resurrected Jesus Christ to his disciples to spread the gospel to all the nations of the world. The Great Commission is outlined in Matthew 28:16–20, where on a mountain in Galilee Jesus calls on his followers to make disciples of and baptize all nations in the name of the Father, the Son, and the Holy Spirit.
Though she is best known as the Queen of Funk, Khan has never been comfortable with the nickname. “I sort of resented being called that,” she says, noting that funk music is just one of her ...
History of optics. Modern ophthalmic lens making machine. Optics began with the development of lenses by the ancient Egyptians and Mesopotamians, followed by theories on light and vision developed by ancient Greek philosophers, and the development of geometrical optics in the Greco-Roman world. The word optics is derived from the Greek term ...