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History of the zipper

Most of the useful and necessary inventions that humanity currently uses in ordinary life were invented for a reason. And, if you imagine they would vanish, it would be extremely difficult without them. For example

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Curious facts about the Sun

The Sun is the only star in our solar system around which all other space objects orbit. The mass of our star is 99.866% of the total mass of the solar system, and the radiation from the Sun supports the life of all flora and fauna on planet Earth

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Who invented the paper clip?

The paper clip is a stationery item that everyone has held at least once. But people think little about who invented it, and something connected what interesting events with this minor detail for fastening documents

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