Like the incandescent bulb before it, the compact fluorescent (CFL ... circuitry that made these relatively efficient light bulbs work, and [mircemk] is here to show us some of them.

Fluorescent lights, the staple of school gyms and grocery stores, aren't exactly known for their appeal. The long, skinny tubes have cheaply illuminated communal spaces and retail establishments ...

DEFINITION: CFLs are a type of energy-efficient lighting which typically use around 60-80% less energy than traditional incandescent bulbs and have a lifespan of around 10 years – five times that of ...

Litchfield residents can play a part on energy conservation and save money as part of a program being offered by Litchfield Public Utilities and Southern Minnesota Municipal Power Agency. From ...

UV light from sunlight and indoor light sources can trigger a lupus flare. In addition to sunlight, ultraviolet rays are also given off by several different forms of indoor lighting, including compact ...

As the usage of incandescents dimmed, two new types of bulbs rose in popularity: LED (light—emitting diode) and CFL (compact ...

A light source consisting of a long glass tube containing mercury in a partial vacuum. Available in many lengths and several diameters, the tube is lined with a fluorescent phosphor. When the ...

The countries previously agreed to prohibit the manufacture, import and export of compact and other types of fluorescent lamps by 2025. Mercury, which is liquid at room temperature, was used in a ...