Polyester is a category of polymers that contain the ester functional group in every repeat unit of their main chain.
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Cellophone
invented by Jacques E. Brandenberger.
Cellophane is a thin, transparent sheet made of regenerated cellulose. Its low…
Mosaic
invented by NCSA
World’s first web browser.
Flash memory
invented by Fujio Masuoka
Flash memory (both NOR and NAND types) is invented in Japan by Fujio Masuoka…
Salyut 1
invented by Soviet Union
Salyut 1 (DOS-1) (Russian: Салют-1) was the world’s first space…
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