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Float glass is a sheet of glass made by floating molten glass on a bed of molten metal of a low melting point, typically tin, [1] although lead was used for the process in the past. [2] This method gives the sheet uniform thickness and a very flat surface. [ 3 ]
A float can collect data while it is neutrally buoyant or moving through the water column. Often, floats are treated as disposable, as the expense of recovering them from remote areas of the ocean is prohibitive; when the batteries fail, a float ceases to function, and drifts at depth until it runs aground or floods and sinks.
A Japanese glass fishing float. Glass floats were used by fishermen in many parts of the world to keep their fishing nets, as well as longlines or droplines, afloat.. Large groups of fishnets strung together, sometimes 50 miles (80 km) long, were set adrift in the ocean and supported near the surface by hollow glass balls or cylinders containing air to give them buoyancy.
Flotsam / ˈ f l ɒ t s ə m / (also known as "flotsan") refers to goods from a sunken vessel that have floated to the surface of the sea, or any floating cargo that is cast overboard. [ 5 ] In maritime law, flotsam pertains to goods that are floating on the surface of the water as the result of a wreck or accident.
The Louisville Falls Fountain was a fountain that floated in the Ohio River off the shore of downtown Louisville, intended to be a major tourist attraction for Louisville, Kentucky. Purported to be the tallest floating fountain in the world, it spouted 15,800 gallons of water per minute upward in the shape of a fleur-de-lis. [1] [2]
The 300-plus-year-old glass onion bottles were ... on Atlantic Ocean floor from Spanish shipwreck ... from a shipwreck in the Atlantic Ocean off the coast of Indian River County in Florida in 2021 ...
A pair of Pittsburgh-area bridges reopened Saturday morning after 26 barges broke loose the previous night and floated uncontrolled down the Ohio River, damaging a marina, authorities said.
Fish are fascinated with floating objects, which they use to mark locations for mating activities. They aggregate around objects such as drifting flotsam, rafts, jellyfish and floating seaweed. The objects appear to provide a "visual stimulus in an optical void", [ 2 ] and offer refuge for juvenile fish from predators. [ 3 ]