Who Invented the Battery?
Who Invented the Battery? A battery, which is actually an electric cell, is a device that produces electricity from a chemical reaction. Strictly speaking, a battery...
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Why Do We Have Daylight Saving Time?
Why Do We Have Daylight Saving Time? During summer, most people in the United States set their clocks one hour ahead of standard time. Daylight-saving time...
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What Is a Solar Panel?
What Is a Solar Panel? A solar panel consists of a group of photovoltaic cells linked together. As their name suggests, these cells convert light (“photo”)...
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How Do Microwave Ovens Work?
How Do Microwave Ovens Work? In a microwave oven, you can cook a hamburger in only four minutes. Conventional ovens cook food by heating air which, in turn, heats the...
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How Does a Neon Light Work?
How Does a Neon Light Work? Neon lights contain a special kind of gas that glows when you turn on the electricity. The word Neon finds its origin from the word neos,...
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