The shift from fluorescent lamps to more energy-efficient light-emitting diodes is expected to have a decarbonizing effect. If LEDs replace fluorescent lamps by 2027, carbon dioxide emissions can ...

In addition to sunlight, ultraviolet rays are also given off by several different forms of indoor lighting, including compact fluorescent lamps (CFL’s). CFL’s are commonly long, cylinder shaped and ...

We are at a critical time and supporting climate journalism is more important than ever. Science News and our parent organization, the Society for Science, need your help to strengthen ...

When your fluorescent light flickers or makes a loud and annoying hum, a degrading ballast could be the cause. Replacing a ballast is easier than you think, but ballasts can be expensive ...

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 ...

mEos2 is an example of a photoconvertible fluorescent protein that can be irreversibly switched from green to red emission upon illumination with violet light. Owing to a combination of high ...