Protecting dark skies for astronomy and life

Artificial light at night is a threat to astronomical research, personal safety, and the health of both humans and wildlife. The problem is worsening with the proliferation of LED billboards and blue-rich white light LEDs ...

UA organic semiconductor research could boost electronics

Most people aren't accustomed to hearing "organic" and "semiconductor" in the same sentence. But the words flow naturally for Erin Ratcliff, a University of Arizona assistant professor of materials science and engineering ...

AMA report affirms human health impacts from LEDs

A groundbreaking report recently released by the American Medical Association (AMA) Council on Science and Public Health affirms known and suspected impacts to human health and the environment caused by light emitting diodes ...

Hong Kong hosts Valentine's Day with 25,000 LED roses

It's like a romantic scene out of one of South Korea's sappy soap dramas—tens of thousands of illuminated roses forming an impressive backdrop for the lead actor and actress to declare their love for each other.

How LED lighting treatments affect greenhouse tomato quality

To satisfy increasing consumer demand for locally grown, fresh tomatoes during off-seasons, greenhouse tomato growers often need to rely on supplemental lighting. Tomato growers are looking to light-emitting diodes (LEDs), ...

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