Inventions

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It is believed that Korean girls in the 17th century who were not allowed beyond the confines of their courtyard walls invented the seesaw to catapult themselves in the air high enough to glimpse the outside world, according to Patricia Newman.

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  • Who invented all-wheel drive?

    Q: Who invented all-wheel drive?

    A: The first all-wheel drive vehicle was the Lohner-Porsche, made by Professor Ferdinand Porsche in 1900. The car used individual wheel hub motors to propel each wheel independently. The unique feature of the car was that it was a hybrid vehicle that used batteries to power the wheel motors.
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  • When were cars invented?

    Q: When were cars invented?

    A: The first gasoline-powered wheeled vehicle was invented in 1885 by Karl Benz. However, many previous developers and designers had notions of automated conveyance, including Leonardo da Vinci.
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  • When did Nikola Tesla discover free energy?

    Q: When did Nikola Tesla discover free energy?

    A: Nikola Tesla designed his "Power Tower" in the early 20th century as a way to create and provide free energy for the entire planet. Although his idea never came to fruition, he began construction of the tower in 1901.
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  • What are some facts about the telephone?

    Q: What are some facts about the telephone?

    A: Alexander Graham Bell's telephone was the first of its kind to receive a patent in the United States and gain widespread commercial success. Bell was interested in sound on a conceptual level and used an observation about sound echoing from one piano to another to develop the technology that made telephone calls possible.
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  • Who invented the pacifier?

    Q: Who invented the pacifier?

    A: People have been using objects to soothe babies for centuries, but Christian W. Meinecke is credited with inventing the pacifier. In 1901 he filed a patent for "a new and original Design for a Baby Comforter."
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  • Who invented the spear?

    Q: Who invented the spear?

    A: No one knows who invented the spear. Archaeologists date the invention of wooden spears to at least 400,000 years ago, which predates the rise of modern humans by some 300,000 years. Spears and similar stone-tipped weapons have been found at prehistoric sites around the world.
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  • What did Galileo Galilei invent?

    Q: What did Galileo Galilei invent?

    A: Galileo Galilei improved upon the technology of the spyglass, creating a more powerful version that resulted in the first telescope. He also created the first pendulum clock and provided important research that concluded that the planets revolve around the Sun.
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  • Who invented makeup?

    Q: Who invented makeup?

    A: The art of wearing makeup was invented approximately 12,000 years ago by the ancient Egyptians. In the Egyptian culture, it was customary to adorn the body with a variety of scents and colors. Ancient Egyptian makeup was generally made from common plants and other ingredients.
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  • When was the Polaroid camera invented?

    Q: When was the Polaroid camera invented?

    A: The polaroid camera was first invented by Edwin H. Land in 1943. He got the idea when his young daughter wanted to know why she couldn't instantly see the picture he had just taken of her.
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  • When was algebra invented?

    Q: When was algebra invented?

    A: Algebra, in its earliest form, was first used by the Babylonians as early as 1700 B.C. It is possible that algebra was used before this time, but historical records are incomplete. However, the algebra used by early civilizations was much more rudimentary than the algebra currently in use today.
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  • Who invented the camera phone?

    Q: Who invented the camera phone?

    A: The camera phone was invented by technology innovator Philippe Kahn. The first picture he took with his invention was of his newborn daughter, Sophie, on June 11, 1997.
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  • Who invented the Band-Aid?

    Q: Who invented the Band-Aid?

    A: The band-aid was invented by Earle Dickson, who was an employee of Johnson & Johnson, and his wife Josephine. His wife was constantly cutting or burning herself and needed to find relief.
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  • Why did Levi Strauss invent blue jeans?

    Q: Why did Levi Strauss invent blue jeans?

    A: Levi Strauss invented blue jeans in response to the need for durable pants for miners participating in the California gold rush of the 1800s. The original pants were made of tent canvas rather than denim.
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  • How do a wheel and axle work?

    Q: How do a wheel and axle work?

    A: The combination of a wheel and axle is a simple machine that consists of a large wheel attached to a smaller wheel called an axle that turns on the same axis. When the large wheel is turned, the axle also turns.
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  • Who made electricity?

    Q: Who made electricity?

    A: Physician William Gilbert used the Latin word “electricus” in 1600 to describe the force substances exert when they come in contact with or are rubbed against each other. In 1752, Ben Franklin's experiments showed lightning and electricity were the same.
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  • Who invented the bridge?

    Q: Who invented the bridge?

    A: While details surrounding the invention of the first bridge have been lost to time, a bridge in the Palk Straight is believed to be the oldest ever discovered. The first signs of civilization in the region date back 1,750,000 years ago, and the bridge is believed to be as old.
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  • How does the telegraph work?

    Q: How does the telegraph work?

    A: Telegraph keys are switches in electrical circuits that power on the current. When the operator taps out the signals for a word, the switch finishes a circuit, permitting electricity to continue around it. At the other end of the line, the recipient watches a pointer or dial indicating the different patterns of code, listens to a buzzer or reads the print out from a device.
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  • When was Bluetooth invented?

    Q: When was Bluetooth invented?

    A: According to the official Bluetooth website, the technology was invented in 1994 by a group of engineers at Ericsson. It was originally intended to act as a wireless alternative to RS-232 cables.
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  • Who discovered rabies?

    Q: Who discovered rabies?

    A: Rabies was discovered as a human disease by Girolamo Fracastoro, a 16th century Italian physician. The disease has been recognized as an animal disease for thousands of years. The rabies vaccine was developed in 1885 by Louis Pasteur.
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  • When was nuclear power invented?

    Q: When was nuclear power invented?

    A: In 1934, physicist Enrico Fermi discovered nuclear fission through his research and experiments. He forced together neutrons with uranium atoms and noticed that the product was lighter than that of uranium.
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  • Who invented the pencil and when?

    Q: Who invented the pencil and when?

    A: Pencils were invented in 1795 by a French scientist named Nicolas-Jacques Conte. He used a mixture of graphite, clay and water baked in a kiln to create the "lead" of the pencil. He then housed this mixture in a wooden frame for writing.
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