Bawendi, Brus and Ekimov won the 2023 Nobel Prize in Chemistry for "the discovery and synthesis of quantum dots," which illuminate computer monitors and television screens ...

A halogen bulb puts out about 1,000 lumens. An LED bulb puts out about 4,000 lumens. Some aftermarket LED bulbs, many illegal, advertise an eye melting 12,000 lumens!

Incandescent bulbs have been banned in the United States, but are you able to just install an LED bulb in their place, or do you need an upgrade?

Today's LED lightbulbs can take your home's illumination to a higher level, but there is a learning curve. Here's how to make the most of these energy-saving bulbs.