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The list below is of chemical compositions that make up common plastics found in museum collections. These are some plastics that may degrade, but are not seriously harmful to nearby objects: Non-plasticized (rigid) polyvinyl chloride (PVC) [7] The following are "malignant" plastic materials that will age rapidly if left untreated, and which ...
Marcel Duchamp, Fountain, 1917; photograph by Alfred Stieglitz. A found object (a calque from the French objet trouvé), or found art, [1] [2] [3] is art created from undisguised, but often modified, items or products that are not normally considered materials from which art is made, often because they already have a non-art function. [4]
The highest levels of pollution were found in recreation areas, such as South Sand Harbor and Hidden Beach. More than 600 pieces of plastic found polluting popular Lake Tahoe areas, new study ...
The first plastic made from synthetic components, it was developed by Leo Baekeland in Yonkers, New York, in 1907, and patented on December 7, 1909. [ 3 ] Bakelite was one of the first plastic-like materials to be introduced into the modern world and was popular because it could be moulded and then hardened into any shape.
Trash from across the Mississippi River's large drainage basin can end up in the river, in the Gulf of Mexico, and ultimately, the ocean.
America is certainly the land of plenty in many regards. Our store shelves are stocked with endless varieties of countless products -- and then some. However, from time to time, we hear about a ...
The collection of plastic and floating trash originates from the Pacific Rim, including countries in Asia, North America, and South America. [ 11 ] Despite the common public perception of the patch existing as giant islands of floating garbage, its low density (4 particles per cubic metre (3.1/cu yd)) prevents detection by satellite imagery ...
Found photos were first exhibited in 1998. Douglas R. Nickel, [15] curator of the San Francisco Museum of Modern Art’s Snapshots: The Photography of Everyday Life, 1888 to the Present, [16] was the first to begin to articulate what it means to “find” a photo: