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In a cleanup of an Oregon beach in 1988, 1,500 six-pack rings were picked up by volunteers in a few hours. Like other plastic products, the production of the plastic rings uses fossil fuels. [3] Compared to fishing gear, cigarette butts and other plastic wastes, six-pack rings are a smaller contributor to marine litter. [4] [5] [6]
An arclight or arc lamp is a lamp that produces a bright light by generating an electric arc across two electrodes. Arclight, Arc Light or arc light may also refer to:
Marasmius oreades grows gregariously in troops, arcs, or rings (type II, which causes the grass to grow and become greener).The cap is 1–5 centimetres (1 ⁄ 2 –2 inches) across; [1] bell-shaped with a somewhat inrolled margin at first, becoming broadly convex with an even or uplifted margin, but usually retaining a slight central bump- an "umbo"; dry; smooth; pale tan or buff ...
The Vortek water-wall plasma arc lamp, invented in 1975 by David Camm and Roy Nodwell at the University of British Columbia, Vancouver, Canada, made the Guinness Book of World Records in 1986 and 1993 as the most powerful continuously burning light source at over 300 kW or 1.2 million candle power.
A drawing from the Catalog of the Royal Armoury of Madrid by the medievalist Achille Jubinal in the 19th century. The original specimen was destroyed by a fire in 1884. The maquahuitl (Classical Nahuatl: māccuahuitl, other orthographic variants include mākkwawitl and mācquahuitl; plural māccuahuimeh), [4] a type of macana, was a common weapon used by the Aztec military forces and other ...
The ArcLight program was a missile development program of the Defense Advanced Research Projects Agency with the goal of equipping ships like Aegis cruisers with a weapon system capable of striking targets nearly anywhere on the globe, thereby increasing the power of surface ships to a level comparable to that of ballistic missile-equipped submarines.
A swim ring (also known as a swimming ring, swim tube, rubber ring, water donut, floatie, inner tube, or, in the United States, a lifesaver) is a toroid-shaped (hence the name "ring" or "doughnut") inflatable water toy. The swim ring was derived from the inner tube, the inflatable inner part of older vehicle tires. [1] The inner tube, when ...
Armillary sphere diagram. The exterior parts of this machine are a compages [or framework] of brass rings, which represent the principal circles of the heavens: . The equinoctial A, which is divided into 360 degrees (beginning at its intersection with the ecliptic in Aries) for showing the sun's right ascension in degrees; and also into 24 hours, for showing its right ascension in time.