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Incandescent light bulb - The incandescent light bulb (archaically known as the electric lamp) uses a glowing wire filament heated to white-hot by an electrical current, to generate light (a process known as thermal radiation or incandescence). The bulb is the glass enclosure which keeps the filament in a vacuum or low-pressure noble ...
Metal halide lamp - Metal halide lamps are similar to mercury vapor lamps, but instead of just mercury, they also contain sodium/scandium iodide and sometimes metals in the rare earth period combined with halogens in the halogen group of the periodic table. They are preferred over mercury vapor in areas where color rendition is important as they give a purer white light than mercury vapor, which tends towards the blue end of the electromagnetic spectrum
Black light - Black light is the common name for a lamp emitting almost entirely long wave ultraviolet radiation and very little visible light. Fluorescent black lights are typically made in the same fashion as normal fluorescent lights except that only one phosphor is used and the normally clear glass envelope of the ...
Light The Night Walk - Light The Night Walk is The Leukemia & Lymphoma Society's nationwide evening Walk to build awareness of blood cancers and raise funds for cures. Walkers carry illuminated balloons-white for survivors and red for supporters-to celebrate and commemorate lives touched by cancer.
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