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 Was the Telescope Improved?
How Was the Telescope Improved? The improvement of the telescope to the powerful instrument of our time was a long gradual process involving many men and many...
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How Did the Spectacles Originate?
How Did the Spectacles Originate? Around 1000 A.D., the first vision aid was invented, called a reading stone, which was a glass sphere that was laid on top of the...
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What Was the Gutenberg Process?
What Was the Gutenberg Process? Before beginning work on the Bible around 1450, Gutenberg experimented with printing single sheets of paper and even small books,...
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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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How Do Butterflies Get Their Color?
How Do Butterflies Get Their Color? The colorful patterns on a butterfly’s wings are formed by thousands of flat scales as fine as dust. The tiny scales overlap each...
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Who Invented the Telescope?
Who Invented the Telescope? The origin of the telescope is shrouded in mystery. Galileo, however, was not the original designer of the telescope. The Dutch were the...
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How Does the Worm Get into the Apple?
How Does the Worm Get into the Apple? How often have you bitten into an apple and found a little white “worm”? The apple worm is really the caterpillar, or...
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Who Invented Photography?
Who Invented Photography? In the mid-1820’s, Nicéphore Niépce succeeded, but several days of exposure in the camera were required and the earliest results were...
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What Is Homeopathy and How Does It Work?
What Is Homeopathy and How Does It Work? Homeopathy is a natural form of medicine used by over 200 million people worldwide to treat both acute and chronic conditions....
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