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A glow stick, also known as a light stick, chem light, light wand, light rod, and rave light, is a self-contained, short-term light-source. It consists of a translucent plastic tube containing isolated substances that, when combined, make light through chemiluminescence. The light cannot be turned off and can be used only once.
Poi is a performing art and also the name of the equipment used for its performance. As a skill toy, poi is an object or theatrical prop used for dexterity play or an object manipulation. As a performance art, poi involves swinging tethered weights through a variety of rhythmical and geometric patterns. Poi artists may also sing or dance while ...
Some examples of glow-in-the-dark materials do not glow by phosphorescence. For example, glow sticks glow due to a chemiluminescent process which is commonly mistaken for phosphorescence. In chemiluminescence, an excited state is created via a chemical reaction. The light emission tracks the kinetic progress of the underlying chemical reaction.
Tritium radioluminescence is the use of gaseous tritium, a radioactive isotope of hydrogen, to create visible light. Tritium emits electrons through beta decay and, when they interact with a phosphor material, light is emitted through the process of phosphorescence. The overall process of using a radioactive material to excite a phosphor and ...
A glow switch starter or glowbottle starter is a type of preheat starter used with a fluorescent lamp. It is commonly filled with neon gas or argon gas and typically contains a bimetallic strip and a stationary electrode. The operating principle is simple, when current is applied, the gas inside ionizes and heats a bimetallic strip which in ...
Glowmatography. Glowmatography[1] is a laboratory technique for the separation of dyes present in solutions contained in glow sticks. The chemical components of such solutions can be chromatographically separated into polar and nonpolar components. Developed as a laboratory class experiment, it can be used to demonstrate chemistry concepts of ...
Holiday lighting technology. A variety of sizes, shapes and colours can be seen among these lights. Holiday lighting technology has been subject to considerable development and variation since the replacement of candles by electric lights. [citation needed] While originally used during the Christmas holidays as Christmas lights, modern electric ...
Gobo (lighting) A decorative lighting device that projects a gobo. Components from right to left are the lamp house, the gobo itself (in this case a grid made of wires), and the focusing lens. In a theatrical unit, all three would be in an enclosure to prevent light spillage. The insert at lower right shows the pattern this device projects.
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