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Watt spent much time and money in making experiments, but nothing he tried succeeded.

Apple MacBook is portable and versatile. I cannot afford it.

They didn’t think Newton could do it. He was confident.

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Dr. Percy Spencer invented the microwave oven. The invention happened by accident.

Shockley's book describes the research leading to the invention of the transistor.

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Engineering is a process for developing solutions to problems. Inventing is a process for creating things that didn't exist before.

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Michael Faraday was employed by the Royal Institution. There, he investigated the connections between electricity, magnetism and motion.

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Inventors' and engineers' initial ideas rarely solve a problem. Instead, they try different ideas, learn from mistakes, and try again.

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Scientists and inventors have made significant contributions to the lives of the common people.