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The pipe is coated with a 99.3% specular reflective film and the distribution element at the end of the light pipe consists of a 4.6 m long diffusing radial film with an 87% visible transmittance. The light pipe introduces consistently illuminance levels ranging between 300 and 2,500 lux throughout the year at distances between 7.6 m to 10 m. [12]
Light pipes are tubes or cylinders of solid material used to guide light a short distance. In electronics, plastic light pipes are used to guide light from LEDs on a circuit board to the user interface surface. In buildings, light pipes are used to transfer illumination from outside the building to where it is needed inside. [citation needed]
Infrared lamps are also used for some night vision devices where visible light would be objectionable. Infrared lamp sources are used in certain scientific and industrial instrument for chemical analysis of liquids and gases; for example, the pollutant sulfur dioxide in air can be measured using its infrared absorption characteristics.
Bongs are an example of user-specific paraphernalia, in this case for the use of cannabis. A bong (also known as a water pipe) is a filtration device generally used for smoking cannabis, tobacco, or other herbal substances. [10] Bongs have been in use by the Hmong in Laos and Thailand, as well all over Africa, for centuries. [11]
This is an accepted version of this page This is the latest accepted revision, reviewed on 18 January 2025. This is a list of cannabis seed companies. Some of these supply only hempseed, that is, cultivars that produce low levels of THC (allowable levels are determined by local regulation). BSF Seeds Coopérative Centrale Des Producteurs De Semences De Chanvre, France, is the main supplier of ...
Light tube or light pipe may also refer to: Waveguide (optics), a device for light transport in photonic devices; Fluorescent lamp, a tubular light-emitting device; In professional wrestling, "light tube" refers to a fluorescent lamp used as a weapon in certain hardcore matches. LED tube lamps; ADAT Lightpipe, a protocol for digital audio signals
The J.W. Jung Seed Company is a family-owned and operated garden seed company founded in 1907 in Randolph, Wisconsin by John William "J.W." Jung. [1] The company publishes several seed catalogs including Jung Seed, Totally Tomatoes, Vermont Bean Seed Company, Edmunds Roses, Roots & Rhizomes, R. H. Shumway, McClure & Zimmerman and HPS Seed. [2]
A bong (also known as a water pipe) is a filtration device generally used for smoking cannabis, tobacco, or other herbal substances. [1] In the bong shown in the photo, the smoke flows from the lower port on the left to the upper port on the right.