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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.

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

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

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

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

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The story of each invention is interwoven with that of the life of its inventor. The lives of inventors furnish materials of the highest educative value.