What Is a Sonic Boom?
A sonic boom is the thunder like sound or a loud explosive noise caused by the shock wave from a supersonic airplane, aircraft or other object travelling faster than...
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How Do Helicopters Work?
How Helicopters Work? A helicopter maintains in the air by a variety of forces and controls working in opposition to each other, and if there is any disturbance in this...
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How Are Pencils Made?
The “lead” pencils we most often write with today are made side by side, as many as nine at a time. In the pencil factory, a substance called powdered...
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How Does a Fly Eat?
A fly cannot bite or chew because it cannot open its jaws. So how does a fly eat? Reaching down the front of a fly’s head is a tube like part called a proboscis....
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How Does an Eraser Work?
What does eraser mean? A device, as a piece of rubber or cloth, for erasing marks made with pen, pencil, chalk, etc. How does an eraser work? When you rub an eraser...
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What Are Pencils with Erasers?
Who Thought of Putting an Eraser on a Pencil? Pencils with erasers are an American phenomenon. The first patent on an integral pencil and eraser got assigned in the...
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When Did Comic Strips Start?
Let us find out when did comic strips start. The first newspaper comic strip in the United States was Richard Felton Outcault’s “Hogan’s Alley,”...
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What Is the Statue of Liberty’s Real Name?
What is Lady Liberty known as? Most people call it the “Statue of Liberty,” but that is only its nickname. The Statue of Liberty’s real name is (Liberty...
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Who Discovered Popcorn?
Who Discovered Popcorn? People have known about popcorn for over thousands of years. Archaeologists think American Indians made the discovery of popcorn. For over a...
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How Did the Tulip Get Its Name?
The tulip gets its name from the Turkish tulban (turban) because of its fancied resemblance to a turban. Some flowers seem to speak their own names. Golden-rods...
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