Bright cold light is popular with doctors and dentists because it allows them to see what they’re doing very well. A 5000K "daylight" bulb could ... unless you have a really good reason to ...

Waste management pro Adam Atkins, director of Cheapa Waste Skips, explained that the regulations that really matter ... are the squiggly light bulbs that were very popular about a decade ago.

The carbon rods emitted carbon monoxide and ultraviolet light. They were extremely harsh and bright ... bulbs had little in common with modern bulbs. The inside of the bulb had to have very ...