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2. Grow light - Wikipedia

   en.wikipedia.org/wiki/Grow_light

   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 ...

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

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

   Not only does it look good, it comes with full spectrum LED light, and it's height-adjustable so it can grow as your plants do. Dimensions: ‎10" L x 7" W x 13.7-61.1" H | Wattage: 10 watts Shop Now

4. Full-spectrum light - Wikipedia

   en.wikipedia.org/wiki/Full-spectrum_light

   Full-spectrum light is light that covers the electromagnetic spectrum from infrared to near- ultraviolet, or all wavelengths that are useful to plant or animal life; in particular, sunlight is considered full spectrum, even though the solar spectral distribution reaching Earth changes with time of day, latitude, and atmospheric conditions.

5. Terence McKenna - Wikipedia

   en.wikipedia.org/wiki/Terence_McKenna

   Dennis McKenna (brother) McKenna's voice. On Steven Weinberg 's book, The First Three Minutes. Recording date unknown. Terence Kemp McKenna (November 16, 1946–April 3, 2000) was an American ethnobotanist and mystic who advocated for the responsible use of naturally occurring psychedelic plants.

6. Light-emitting diode - Wikipedia

   en.wikipedia.org/wiki/Light-emitting_diode

   Main article: Light-emitting diode physics. In a light-emitting diode, the recombination of electrons and electron holes in a semiconductor produces light (be it infrared, visible or UV), a process called "electroluminescence". The wavelength of the light depends on the energy band gapof the semiconductors used.

7. Photosynthetically active radiation - Wikipedia

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

   Photosynthetically active radiation (PAR) designates the spectral range (wave band) of solar radiation from 400 to 700 nanometers that photosynthetic organisms are able to use in the process of photosynthesis. This spectral region corresponds more or less with the range of light visible to the human eye. Photons at shorter wavelengths tend to ...