Did Thomas Edison Really Invent the Light Bulb?
Did Thomas Edison Really Invent the Light Bulb? Thomas Edison didn’t invent the light bulb, but rather, he improved upon a fifty-year-old idea, the famous American...
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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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Who Invented Photostat or the Photocopier?
Who Invented Photostat or the Photocopier? In 1937, an American law student Chester Carlson invented a copying process based on electrostatic energy called Xerography....
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How Old Is the Lens and What Is the Practical Use of It?
How Old Is the Lens and What Is the Practical Use of It? The oldest known lens was found in the ruins of ancient Nineveh, and was made of polished rock crystal, 4...
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Who Was the European Inventor of Printing?
Who Was the European Inventor of Printing? Yet, despite this evidence, the invention of printing with movable type is regarded as a European discovery of the 15th...
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