Sunday, December 26, 2010

Interesting Science History


Paper

Paper was an important discovery by China in 105 by a man Ts’ai Lun.. Before paper, man had created papyrus. Papyrus was a plant. Early man took the stems and pressed them. Then there was a sheet of papyrus to write on. Hey! Did you notice one thing. papyrus, paper. They sound similar, don’t they? Paper really originated from papyrus. Do you know how papermaking secret spread? Chinese traders traveled and met Arabs. They told the secret of papermaking. Then the secret spread to Spain, over Europe and in England. Do you know? A machine was developed in France in 111978 that can make a sheet or web of paper.

Interesting facts about paper

• We use kraft paper every day when we ask supermarkets to pack our groceries in brown paper bags.

• Bags were first measured by how many pounds of sugar they held. (i.e., a 1 lb. bag was named that because it held 1 lb of sugar, a 2 lb bag because it held 2 lbs. of sugar, etc.)

• Every ton of paper that is recovered saves 3.3 cubic yards of landfill space

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