Menu Close

Articles on LEDs

Displaying all articles

Changing incandescent light bulbs (right) to LEDs (left) is an example of eco-efficiency, but it can also have unintended consequences. Shutterstock

The pitfalls of eco-efficiency

Often presented as one of the best ways to save energy, eco-efficiency often proves to be less effective than one might think.
Light-emitting diodes (LEDs) used in medical devices and for growing plants, like potatoes seen here, are used by NASA to grow plants in space. The U.S. space agency plans to grow food on future spacecraft and on other planets as a food supplement for astronauts. NASA

Improving upon the sun: LED lights fuel plant growth in space

LED lights can actually improve upon the sun and help grow plants in space. A Canadian team of researchers is helping to refine and perfect LED technology.
Light of every hue. davidd

Light technologies illuminate global challenges

During these dark winter months, spare a thought for artificial lights. From strings of lights adding holiday cheer to artificial sunlamps alleviating seasonal affective disorder, they brighten our days…
Laser quest: Shuji Nakamura, one of the three prize winners. UCSB/EPA

Your phone screen just won the Nobel Prize in physics

You’ve probably got the fruits of this year’s Nobel laureates’ handiwork in your pocket. In fact, if you’re reading this on your phone or a relatively recent flat-screen monitor, you’re more than likely…

Top contributors

More