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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.
Phosphorescence is a type of photoluminescence related to fluorescence. When exposed to light (radiation) of a shorter wavelength, a phosphorescent substance will glow, absorbing the light and reemitting it at a longer wavelength. Unlike fluorescence, a phosphorescent material does not immediately reemit the radiation it absorbs.
A General Electric NE-34 glow lamp, manufactured circa 1930. Neon was discovered in 1898 by William Ramsay and Morris Travers.The characteristic, brilliant red color that is emitted by gaseous neon when excited electrically was noted immediately; Travers later wrote, "the blaze of crimson light from the tube told its own story and was a sight to dwell upon and never forget."
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 ...
After striking the wall, the electrons eventually make their way to the anode, flow through the anode wire, the power supply, and back to the cathode. When the amount of gas in a Crookes tube is a little higher, it produces a pattern of glowing regions of gas called a glow discharge .
Incandescence is the emission of electromagnetic radiation (including visible light) from a hot body as a result of its high temperature. [1] The term derives from the Latin verb incandescere, to glow white. [2] Although an object does not have to glow brightly or glow white in order to be considered incandescent.
An ellipsoidal reflector. An adjustable lens tube containing the lens or lens train. Adjusting the tube by pushing it further in or pulling it further out of the unit allows changes to the focus (softness or hardness) of the beam of light projected by the unit. This results from changing the distance between the reflector and the lens train.
A spudger is also a wiring tool used for poking or adjusting small wires or components, generally in the electronics and telecommunications industries. A typical spudger is an insulating stick, made of either wood, plastic or a nylon fiberglass material. For instances where the spudger is used for prising it is commonly made of stainless steel ...
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