10 accidental inventions that changed the world and in fact‚ experts estimate that between 30 and 50 percent of of all scientific discoveries are in some way accidental. the following accidental inventions from the past two centuries have changed the world in one way or another. 1. Matches Many of us wonder what life was like before electricity or the Internet (shudder)‚ but imagine life before matches. We’re talking magnifying glasses and flint. For those of us who like to create controlled
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and green‚ for stop and go respectively. 8. Now a common kitchen appliance‚ the microwave oven has become the irreplaceable gadget for cooking‚ thawing or reheating food‚ popping popcorn and making stews. The microwave was not originally intended for kitchen use until in 1945 when Percy Spencer‚ an engineer from Maine who was working on the magnetron for radar sets at Raytheon‚ found out that the microwaves had melted the chocolate in his pocket. 7. In the current campaign for the use
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necessity of life and has brought networks of wires into homes and offices‚ allowing for it to be relatively easy to add appliances and other machines. The Microwave Oven • Invented by Percy Spencer after World War II from radar technology developed during the war. • Heats food by bombarding it with electromagnetic radiation in the microwave spectrum causing
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engineer‚ Dr. Perry Spencer‚ was an employee with Raytheon Corporation. Raytheon Corporation was and still is a major US defense contractor and industrial corporation (Communications). Dr. Spencer and colleagues were testing out a new wartime invention‚ the magnetron. The magnetron was originally created in order to generate microwave signals from direct current electricity‚ through a vacuum tube (“Cavity Magnetron”). While experimenting with this powerful tube‚ Dr. Spencer realized that the chocolate
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· Thomas Adams‚ inventor of chewing gum · Mary Anderson‚ inventor of car windshield wipers · Alexander Graham Bell‚ inventor of the telephone · Edward Binney‚ co-inventor of Crayola crayons · Clarence Birdseye‚ inventor of commercial frozen food · Joseph-Armand Bombardier‚ inventor of the snowmobile · Willis Carrier‚ inventor of air conditioning · Josephine Garis Cochrane‚ inventor of the dishwasher · George de Mestral
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Have you ever tried so do something and made a mistake? Did you give up on that idea or did you try again? No great invention or discovery comes from a single attempt. It takes multiple ‘Trial and error’ runs to complete the invention or find what you are looking for. These objects also may not have existed without a start‚ and the start might not happen when you are expecting it. The start of Heinrich Schliemann’s journey as adventurer began as a child. He had dreamed of finding the remains
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38 Family and LifeStyle DRAFT July 2009 Contents Page 7 Food Preparation Technology 7.1 Food preparation techniques 2 7.2 Time- and labour-saving devices 2 7.2.1 Electric beaters 3 7.2.2 Mincers 3 7.2.3 Liquidisers 3 7.2.4 Blenders 4 7.2.5 Mixers 4 7.2.6 Food processors 4 7.2.7 Ice-cream makers 5 7.3 Food cooking processes 5 7.3.1 Scientific principles and types of heat transference 5 7.3.2 Cooking methods 8
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Do mistakes lead to discoveries? I think that mistakes do lead to discoveries like‚ when Percy Spencer was standing near the Magnetron and his candy bar was melted then realized that the Magnetron was heating the area up then‚ he asked for some popcorn kernels and put them close to the Magnetron and they popped minutes later‚ so then the microwave was created about 20 years later through many mistakes. In “Lost Cities‚ Lost Treasure” a man named Heinrich Schliemann was digging in the ground of
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Mistakes. Harmful or Beneficial? Have you ever wondered how the microwave came to be? Or how some scientists were able to find ancient artifacts? Was it luck or just a hunch? Mistakes are a key part of discovery. Without mistakes we may have never been asking ourselves the questions we ask today? How did it happen? First and foremost‚ Mistakes offer an idea or thought one may have never thought of. For example‚ in "How a Melted Bar of Chocolate Changed Our Kitchens‚" Percy’s chocolate bar melted
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adventurers there are some good ones like Percy Spencer born in Howland Maine in 1894. This discoverer had come up with the microwave. This invention came from an idea that he had when a chocolate bar melted in his paints. Spencer furthered this idea by what if i get kernels and put them in the microwave. This was the man who made microwave popcorn. Spencer also came up with the idea of shrinking the radio. This helped American household’s share communication. Spencer worked for a company by the name of
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