Number System

India invented the Number System. Zero was invented by Aryabhatta.

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The Sumerians

The Sumerians, who lived in the Middle East, invented the wheel in about 3450 BC.

The Sumerians also invented writing.


Everyone thinks Whitcomb Judson who invented the zipper but it was really Elias Howe. Elias was so busy inventing the sewing machine that he didn't get around to selling his zipper invention which he called a "clothing closure".

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