LONDON — Startup company Ceravision Ltd. (Milton Keynes, England) has said it has invented a microwave-powered light bulb that is more efficient than filament or fluorescent lighting and with a long ...

One of the things you learn as a homeowner is how many different types of light bulbs there are. The ones that go into your appliances are quite different from the ones you fit into a lamp or ceiling ...

We independently review everything we recommend. When you buy through our links, we may earn a commission. Learn more› By Thom Dunn Thom Dunn is a writer focusing on home heating and cooling. He once ...

Close up shot of a person changing light bulbs - Virojt Changyencham/Shutterstock One of the things you learn as a homeowner is how many different types of light ...