A tip from a Chicago reader: Regarding a topic that came up in your column some months ago, I would like to recommend a very simple solution to removing the base of a broken light bulb that’s… ...

Test your knowledge of light bulbs: how they work, their key components, the science of incandescence, and the role of materials like tungsten.

The easy answer is one, once we gather requirements, generate purchase orders for the bulb, get signatures in triplicate from appropriate departments, test the bulb, and conduct end user ...

LED light bulbs are now affordable alternatives to other lights. How does the LED compare in terms of power, brightness and color?