Articles on LEDs

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Dark Sky Friendly lighting and the beautiful stained glass window at St Patrick’s Church in Newport, County Mayo. Michael Quinn Photography

Street lamps aren’t the only form of artificial light pollution – here’s how to create darker nights

Light Pollution is a significant environmental issue and is spreading rapidly. The good news is that it is easy to fix - find out how here…
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.

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