(also fluorescent bulb)
A glass tube which radiates light when phosphor on its inside surface is made to fluoresce by ultraviolet radiation from mercury vapour.
- They all have a pinkish/magenta hue and are designed to eliminate the greenish colour that fluorescent tubes and mercury-vapor street lights cast on daylight film.
- Another simple step is to replace incandescent light bulbs with compact fluorescent bulbs, which only use one-third the electricity and last 10 times longer.
- In addition to retrofitting lights, ASC recycles fluorescent bulbs, which contain mercury, keeping about 750 bulbs a year out of landfills.
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