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Percy spencer was the inveter of microwave. it was actualy an acident how it was made. Percy didn't evey finsh grammar school
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In 1974, AT&T invented the mobile phone it was a huge step in technologe for phone.
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A Juke box is a semi-atoumated appartus that plays music. You put a coin in a slot and you pic a song and it plays it.
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A credit card is a card that you can buy goods without having cash. Because the cash is on the card.
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Glue is made from tree sap and other sticke stuff
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The first potato head actualy had a missing head.
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David Warren was the creater and inventer of the flight data recorder also knows as the black box.
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The soler cell takes the energy from the sun and turns it into power. It was created by Chaplin Fuler.
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Fiber optic is a metal rod that carys energy through fiber rods.
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liquid paper was actualy called a mistake. The invention of Bette Nesmith Graham.
