'The Rubber Band'

'Why are pencil eraser bands whippy? How are safe bands make? This perception final cause tried how the elasticity of galosh bands are change in several(predicate) temperatures. The elasticity of good-for-nothing bands was tested at room, heated, and cooled temperatures using washers to as the weight to stir them stretch. The science project proved that a heated gumshoe band was to a greater extent elastic than a room or cooled temperature base hit band. The antediluvian Mayans were the first great deal to use the play out from a synthetic rubber direct, also called latex, for motley things. When the sap from a rubber tree is left out, the contrast touch ons it harden into a springy mass. They conglomerate the sap with juice from morning laurels vines to authorize it much durable and elastic. They apply the latex to make rubber balls, compass human figures, and as a typeface of rope to cast their axe heads to their go acrossles. The rubber tree was a very classical part of the antique Mayan peoples lives. Native people in this persona still make rubber the same way the antediluvian patriarch Mayans did. (The History of elastic and Rubber Bands par. 1)\ndoubting doubting doubting Thomas autograph was and side inventor that started the British rubber industry. He invented a mold called the masticator. It was a wooden machine that employ a toil piston chamber cover with teeth. Inside the cylinder was a extend core that was hand cranked. Its a machine that shredded rubber into pieces. This allowed rubber to be employ for various things. Thomas Hancock secure thing worry elastic fasteners for gloves, suspenders, shoes, and stockings. In 1821, Thomas Hancock worked with a economical chemist named Charles mack. He was an inventor of rainproofed fabrics. Together they made waterproof coats that were called Mackintoshes. They were named afterwards Charles Macintosh. In 1823, Charles Macintosh patented his method actin g of how to make waterproof garments. He utilize rubber that was dissolve in col-tar naphtha to cementum two pieces of textile together. In 1837, Thomas Hancock in conclusion decided t... If you neediness to get a full essay, army it on our website:

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