The U.S. Department of Energy recently awarded $11.5 million to install light emitting diode lighting in parks, police stations, an airport runway, baseball fields and city buildings to promote energy ...
LED, or light emitting diode therapy, is a skincare treatment that uses varying wavelengths of light, including red and blue. NASA originally developed it for plant growth experiments on shuttle ...
Some results have been hidden because they may be inaccessible to you
Show inaccessible results
Feedback