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Solid light, or hard light, is a hypothetical material consisting of light in a solidified state. It has been theorized that solid light could exist. [ 1 ] [ 2 ] Some experiments claim to have created solid photonic matter or molecules by inducing strong interaction between photons.
An assortment of LED lamps commercially available as of 2010 as replacements for screw-in bulbs, including floodlight fixtures (left), reading light (center), household lamps (center right and bottom), and low-power accent light (right) applications. Solid-state lighting (SSL) is a type of lighting that uses semiconductor light-emitting diodes ...
Anthony McCall c.2003. Anthony McCall (born 1946) is a British-born New York based artist known for his ‘solid-light’ installations, a series that he began in 1973 with "Line Describing a Cone," in which a volumetric form composed of projected light slowly evolves in three-dimensional space.
This is a list of sources of light, the visible part of the electromagnetic spectrum.Light sources produce photons from another energy source, such as heat, chemical reactions, or conversion of mass or a different frequency of electromagnetic energy, and include light bulbs and stars like the Sun. Reflectors (such as the moon, cat's eyes, and mirrors) do not actually produce the light that ...
Line Describing a Cone is an avant-garde film produced in 1973 by artist Anthony McCall as part of his "solid light" film series. McCall's reduction of film to the essential properties of the medium resembles the work of other radical artists of his time, [1] and has inspired various projects by artists such as Stan Douglas, Richard Serra, and Gordon Matta-Clark.
Hard light, an approach for computationally blending images; A type of tactile hologram in science fiction; Hardlight, a video game development studio acquired by Sega "Hardlight" (song), released in 2022 by indie rock band Spacey Jane; Solid light, a theoretical state of light that is solid via strong interactions between photons
A solid-state laser is a laser that uses a gain medium that is a solid, rather than a liquid as in dye lasers or a gas as in gas lasers. [1] Semiconductor -based lasers are also in the solid state, but are generally considered as a separate class from solid-state lasers, called laser diodes .
In optics, Lambert's cosine law says that the observed radiant intensity or luminous intensity from an ideal diffusely reflecting surface or ideal diffuse radiator is directly proportional to the cosine of the angle θ between the observer's line of sight and the surface normal; I = I 0 cos θ.