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Freshwater aquarium lighting is commonly provided by screw-in incandescent bulbs, fluorescent tubes and LED lamps. Incandescent lighting is becoming less popular because it uses much more energy and produces more heat than the other lighting types. [1] Compact fluorescent lighting with a compatible screw-in base is frequently used as a direct ...
A reef aquarium or reef tank is a marine aquarium that prominently displays live corals and other marine invertebrates as well as fish that play a role in maintaining the tropical coral reef environment. A reef aquarium requires appropriately intense lighting, turbulent water movement, and more stable water chemistry than fish-only marine ...
BASE jumping (/ b eɪ s /) is the recreational sport of jumping from fixed objects, using a parachute to descend to the ground. BASE is an acronym that stands for four categories of fixed objects from which one can jump: buildings , antennas (referring to radio masts ), spans ( bridges ) and earth ( cliffs ).
A technique employing light-emitting diodes (LEDs) allows microprocessor control of the parameters of lighting, such as warmth and coolness of color, which facilitates the simulation of daybreak, sunset, and lunar phases. Some animals, such as the red-eared slider turtle, also benefit from such aquarium lights.
A marine aquarium Corals in a marine aquarium. A marine aquarium is an aquarium that keeps marine plants and animals in a contained environment. Marine aquaria are further subdivided by hobbyists into fish only (FO), fish only with live rock (FOWLR), and reef aquaria.
Sliders also reduce the chance of the lines twisting to cause a malfunction. In BASE jumping a rapid canopy deployment is desirable. The slider may be constructed of mesh, packed so that the slider is at the base of the lines and does not inhibit the opening ("slider down") instead of up by the canopy, or removed completely.
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