Many important discoveries in science are made by accident. When scientists are doing experiments they sometimes find something unusual which may lead to a discovery. Sometimes scientists make discoveries by observing simple, everyday things. Newton, for instance, first got his ideas about gravity when he saw an apple fall from a tree. One of the greatest inventors of ancient time was Archimedes. He made an important discovery while taking a bath.
Many ideas for inventions actually come from nature. One classis example is the invention of the airplane. More than a century ago, its inventors, the Wright brothers, studied how birds fly. They observed details such as how flying birds make turns when flapping of not flapping their wings. Eventually, they applied what they had observed to their....
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