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  2. Gunpowder - Wikipedia

    en.wikipedia.org/wiki/Gunpowder

    Gunpowder, also commonly known as black powder to distinguish it from modern smokeless powder, is the earliest known chemical explosive. It consists of a mixture of sulfur, carbon (in the form of charcoal ), and potassium nitrate (saltpeter). The sulfur and carbon act as fuels while the saltpeter is an oxidizer.

  3. Prism (optics) - Wikipedia

    en.wikipedia.org/wiki/Prism_(optics)

    Prism (optics) 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 and rectangular sides.

  4. Bone char - Wikipedia

    en.wikipedia.org/wiki/Bone_char

    Bone char ( Latin: carbo animalis) is a porous, black, granular material produced by charring animal bones. Its composition varies depending on how it is made; however, it consists mainly of tricalcium phosphate (or hydroxyapatite) 57–80%, calcium carbonate 6–10% and carbon 7–10%. [1] It is primarily used for filtration and decolorisation.

  5. Nesquik - Wikipedia

    en.wikipedia.org/wiki/Nesquik

    Nesquik Strawberry Powder was introduced prior to 1960. Nesquik Vanilla Powder was introduced in 1979, but this was discontinued in 2006 due to low sales. Additional powder flavors have been introduced, but discontinued: Cherry (1989–1995), Mango (1991–2000), Cream (1997), Triple Chocolate (2002–2006), Honey (2001–2006), Crème Soda ...

  6. ChromaFlair - Wikipedia

    en.wikipedia.org/wiki/ChromaFlair

    ChromaFlair is a pigment used in paint systems, primarily for automobiles. When the paint is applied, it changes color depending on the light source and viewing angle. It was created at Optical Coating Laboratory, Inc. (OCLI) [later JDS Uniphase and Viavi Solutions] in 1979 and is used by DuPont and PPG. [1] [2]

  7. Dispersive prism - Wikipedia

    en.wikipedia.org/wiki/Dispersive_prism

    Lamps as seen through a 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 ...