Available in many lengths and several diameters, the tube is lined with a fluorescent phosphor. When the mercury is excited by electricity, it emits ultraviolet (UV) light, which causes the ...

But the glass is much thicker and there’s a halogen gas sealed in the bulb. It allows them to burn hotter and brighter than regular incandescents. Take a fluorescent tube, form it into a bulb ...

They are considered energy-saving and are meant to substitute the older incandescent light bulbs that existed prior to these ... of UV radiation and try to use light shields and lamp shades whenever ...

But a broken CFL bulb or fluorescent tube can expose you to mercury vapor! The EPA recommends taking these steps if a bulb is broken in your home. For details and an expanded list of safe and ...