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2. Grow light - Wikipedia

   en.wikipedia.org/wiki/Grow_light

   Ficus plant grown under a white LED grow light. A grow light is an electric light that can help plants grow. Grow lights either attempt to provide a light spectrum similar to that of the sun, or to provide a spectrum that is more tailored to the needs of the plants being cultivated (typically a varying combination of red and blue light, which generally appears pink to purple to the human eye).

3. 10 Grow Lights That Actually Work to Help Your Plants Thrive

   www.aol.com/20-stylish-grow-lights-plant...

   "Full spectrum or broad spectrum LED grow lights have a balance of blue and red light," Eierman says. "Blue is is good for foliage growth and keeps plants kind of healthy, in terms of not getting ...

4. Photosynthetically active radiation - Wikipedia

   en.wikipedia.org/wiki/Photosynthetically_active...

   Chlorophyll, the most abundant plant pigment, is most efficient in capturing red and blue light. Accessory pigments such as carotenes and xanthophylls harvest some green light and pass it on to the photosynthetic process, but enough of the green wavelengths are reflected to give leaves their characteristic color.

5. The 8 Best Indoor Grow Lights to Help Your Plants ... - AOL

   www.aol.com/lifestyle/8-best-indoor-grow-lights...

   It comes in 24-inch and 48-inch lengths and has a color temperature that’s more like natural light, so it won’t appear purple or red like some other less expensive grow lights do. The company ...

6. Light-emitting diode - Wikipedia

   en.wikipedia.org/wiki/Light-emitting_diode

   The other is to use a phosphor material to convert monochromatic light from a blue or UV LED to broad-spectrum white light, similar to a fluorescent lamp. The yellow phosphor is cerium-doped YAG crystals suspended in the package or coated on the LED. This YAG phosphor causes white LEDs to appear yellow when off, and the space between the ...

7. What's up with the mysterious purple streetlights at the ...

   www.aol.com/news/whats-mysterious-purple...

   LED lights are made of a blue LED light combined with the yellow phosphor that produces white light. ... That has exposed the blue LED light that has a purple and violent tint to it. The majority ...