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The Murrow Bridge is the second-longest floating bridge in the world, at 6,620 ft (2,020 m) (the longest is the Governor Albert D. Rosellini Bridge–Evergreen Point, a few miles north on the same lake). The original Murrow Bridge opened in 1940, and was named the Lake Washington Floating Bridge.
In On Floating Bodies, Archimedes suggested that (c. 246 BC): Any object, totally or partially immersed in a fluid or liquid, is buoyed up by a force equal to the weight of the fluid displaced by the object. Archimedes' principle allows the buoyancy of any floating object partially or fully immersed in a fluid to be calculated.
Buoyancy (/ ˈ b ɔɪ ən s i, ˈ b uː j ən s i /), [1] [2] or upthrust is a net upward force exerted by a fluid that opposes the weight of a partially or fully immersed object. In a column of fluid, pressure increases with depth as a result of the weight of the overlying fluid.
A Cartesian diver or Cartesian devil is a classic science experiment which demonstrates the principle of buoyancy (Archimedes' principle) and the ideal gas law.The first written description of this device is provided by Raffaello Magiotti, in his book Renitenza certissima dell'acqua alla compressione (Very firm resistance of water to compression) published in 1648.
[7] [n 3] She hoarsely identified herself as 11-year-old Terry Jo Duperrault; informing the crew that she had been floating aboard the cork float for several days after the sinking of her vessel. Her ability to speak rapidly waned, and the child soon responded to questions by weakly gesticulating, before lapsing into a semi- comatose state.
The purpose of On Floating Bodies I-II was to determine the positions that various solids will assume when floating in a fluid, according to their form and the variation in their specific gravities. The work is known for containing the first statement of what is now known as Archimedes' principle .
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Fly lines are designed to float (F) or sink (S). Floating lines generally designed with positive buoyancy for their entire length. Some fly lines have both a sinking section at the tip and a floating running line (F/S). Sinking lines can be fast sinking or slow sinking generally have a specified sink rate in inches per second.