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The diodes used in initial LED grow light designs were usually 1/3 watt to 1 watt in power. However, higher wattage diodes such as 3 watt and 5 watt diodes are now commonly used in LED grow lights. For highly compacted areas, COB chips between 10 watts and 100 watts can be used. Because of heat dissipation, these chips are often less efficient.
The former sense is sometimes called luminous efficacy of radiation, [4] and the latter luminous efficacy of a light source [5] or overall luminous efficacy. [ 6 ] [ 7 ] Not all wavelengths of light are equally visible, or equally effective at stimulating human vision, due to the spectral sensitivity of the human eye ; radiation in the infrared ...
The SHADO Interceptor, or Moonbase Interceptor, [1] is a fictional space fighter that appears in the 1970s British science fiction television series UFO.Operated by SHADO (Supreme Headquarters of the Alien Defence Organisation) from its Moonbase lunar outpost, the Interceptor squadrons serve as Earth's first line of defence against incoming alien spacecraft.
Streetlamp with a ceramic metal halide bulb Ceramic metal halide bulb with G12 socket. A ceramic metal-halide lamp (CMH), also generically known as a ceramic discharge metal-halide (CDM) lamp, [1] is a type of metal-halide lamp that is 10–20% more efficient than the traditional quartz metal halide [2] and produces a superior color rendition (80-96 CRI).
This is a dynamic list and may never be able to satisfy particular standards for completeness. You can help by adding missing items with reliable sources. Most commonly reported shapes in UFO sightings gathered by the National UFO Reporting Center Online Database (NUFORC) This is a list of notable reported sightings of unidentified flying objects (UFOs) and related claims of close encounters ...
Pilea peperomioides (/ p aɪ ˈ l iː ə p ɛ p ə ˌ r oʊ m i ˈ ɔɪ d iː z / [1]), the Chinese money plant, [2] UFO plant, pancake plant, lefse plant or missionary plant, [3] is a species of flowering plant in the nettle family Urticaceae, native to Yunnan and Sichuan provinces in southern China. Pilea peperomia and its pups