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Optics is the branch of physics that studies the behaviour and properties of light, including its interactions with matter and the construction of instruments that use or detect it. [1] Optics usually describes the behaviour of visible, ultraviolet, and infrared light. Light is a type of electromagnetic radiation, and other forms of ...
Optical fiber connector. An optical fiber connector is a device used to link optical fibers, facilitating the efficient transmission of light signals. An optical fiber connector enables quicker connection and disconnection than splicing. They come in various types like SC, LC, ST, and MTP, each designed for specific applications.
The loincloth, or breechcloth, is a basic form of dress, often worn as the only garment. Men have worn a loincloth as a fundamental piece of clothing which covers their genitals, not the buttocks, in most societies which disapproved of genital nakedness throughout human history. The loincloth is in essence a piece of material, bark- bast ...
Cephalopod molluscs such as this cuttlefish can change color rapidly for signaling or to match their backgrounds. Active camouflage or adaptive camouflage is camouflage that adapts, often rapidly, to the surroundings of an object such as an animal or military vehicle. In theory, active camouflage could provide perfect concealment from visual ...
Beta cloth is a type of fireproof PTFE impregnated silica fiber cloth used in the manufacture of Apollo/Skylab A7L space suits, the Apollo Thermal Micrometeoroid Garment, the McDivitt Purse, [1] and in other specialized applications. Beta cloth consists of fine woven silica fiber, similar to glass fiber. The resulting fabric does not burn, and ...
Louvre, Paris. The Mona Lisa (/ ˌmoʊnə ˈliːsə / MOH-nə LEE-sə; Italian: Gioconda [dʒoˈkonda] or Monna Lisa [ˈmɔnna ˈliːza]; French: Joconde [ʒɔkɔ̃d]) is a half-length portrait painting by Italian artist Leonardo da Vinci. Considered an archetypal masterpiece of the Italian Renaissance, [4][5] it has been described as "the best ...
United States Navy commissioned officer ranks have two distinct sets of rank insignia: On dress uniform a series of stripes similar to Commonwealth naval ranks are worn; on service khaki, working uniforms (Navy Working Uniform [NWU], and coveralls), and special uniform situations (combat utilities, flight suits, and USMC uniforms when worn by ...
King Gustav II Adolf's dress of dark purple broadcloth and gold. Littoinen broadcloth factory, Finland. Broadcloth is a dense, plain woven cloth, historically made of wool. The defining characteristic of broadcloth is not its finished width but the fact that it was woven much wider (typically 50 to 75% wider than its finished width) and then ...