Spotlight on LED Bulbs Scientists have figured out a way to make to make light-emitting diodes, or LEDs, (those little winking lights on your stereo) the light source of the future. With no glass and no filament, LED bulbs can last for 30 years or more. And they can be installed in a variety of places.
NPR logo

Spotlight on LED Bulbs

  • Download
  • <iframe src="https://www.npr.org/player/embed/4468837/4468838" width="100%" height="290" frameborder="0" scrolling="no" title="NPR embedded audio player">
Spotlight on LED Bulbs

Spotlight on LED Bulbs

Spotlight on LED Bulbs

  • Download
  • <iframe src="https://www.npr.org/player/embed/4468837/4468838" width="100%" height="290" frameborder="0" scrolling="no" title="NPR embedded audio player">

Scientists have figured out a way to make to make light-emitting diodes, or LEDs, (those little winking lights on your stereo) the light source of the future. With no glass and no filament, LED bulbs can last for 30 years or more. And they can be installed in a variety of places.