Inventions

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According to USHistory.org, electricity was not really "invented" by anyone, as it is a force of nature that has presumably been around since the beginning of the universe. The first person to publish a study of electricity and magnetism was William Gilbert in the year 1600.

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  • What year was the microwave invented?

    Q: What year was the microwave invented?

    A: The first microwave oven was built in 1947. Sometime around 1946, Percy Spencer, while working for Raytheon, discovered that a magnetron developed to jam radars during World War II also melted the chocolate bar in his back pocket. Corn kernels were some of the first foods Spencer tested, and when they popped, he began attempts to heat other foods using the magnetron.
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  • Who invented the compass?

    Q: Who invented the compass?

    A: The first compasses were invented by the Chinese around the 4th century BC. The earliest compasses, however, were not used exclusively for navigation. They were used primarily as figurative symbols to help people find order and harmony in their surrounding environments and lives.
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  • Who invented the washing machine?

    Q: Who invented the washing machine?

    A: The first electrically powered washing machine was invented by Alva J. Fisher, according to About.com. However, more primitive types of "washing machines" were in use for centuries before this invention, which was patented in 1910.
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  • Who invented the second?

    Q: Who invented the second?

    A: The international unit of the second was first described by the Greco-Egyptian mathematician Claudius Ptolemy in his work "Almagest" around 150 C.E. He defined the second, or second-minute, as one-sixtieth of a minute.
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  • When was the first video game invented?

    Q: When was the first video game invented?

    A: "Tennis For Two" is considered to be the first video game, which was invented by William Higinbotham. It was introduced to the public on Oct. 18, 1958, at Brookhaven National Laboratory's annual Visitor's Day event.
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  • When were watches invented?

    Q: When were watches invented?

    A: Wristwatches were first officially invented in 1868 when a watch was created for the Countess of Hungary. Prior to the first official wristwatch, pocket watches were adapted to be worn on the wrist as early as 1570.
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  • Who invented the typewriter?

    Q: Who invented the typewriter?

    A: Several inventors created typing machines similar to a typewriter. The first person to develop, patent and mass-produce a typing machine was Rasmus Malling-Hansen of Denmark. Malling-Hansen first patented his writing ball in 1870, but continued to update and improve his typing machine for nearly a decade.
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  • What did the Egyptians invent?

    Q: What did the Egyptians invent?

    A: The Ancient Egyptians are the well-known constructors of the Pyramids and the Great Sphinx. They invented hieroglyphs, one of the earliest writing systems, and a number system for whole numbers and fractions, including rudimentary algebraic formulations. Egyptians created breath mints, toothpaste, the calendar and bowling. Perhaps their greatest invention, however, was papyrus scrolls, which allowed information to be collected, transported and stored for immediate use or for future generations.
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  • Who invented electricity?

    Q: Who invented electricity?

    A: Electricity was not invented because it exists as a natural form of energy. However, many scientists and inventors have contributed to its modern use.
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  • Who invented the first drum?

    Q: Who invented the first drum?

    A: While the inventor of the first drum is unknown, drums were first played around 6,000 B.C. in Mesopotamia by the ancient Babylonians and Sumerians. Drums may have been used prior to this by pre-civilized humans, but there is no direct evidence.
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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 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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  • Who invented the first bathtub?

    Q: Who invented the first bathtub?

    A: In 1883, an American man named John Michael Kohler invented the world's first bathtub. He added four decorative feet to the bottom of an enamel-covered, cast-iron horse trough and advertised his creation in the center of the Kohler Company's one-page catalog.
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  • How does a liquid thermometer work?

    Q: How does a liquid thermometer work?

    A: A liquid thermometer works by using the thermal expansion of a liquid within a capillary tube to measure temperature. The precision of this method varies by the liquid used, but all use the fact that when most liquids are heated, they expand. Common types of liquid thermometers use mercury, toluene or less toxic biodegradable liquids.
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  • How did the light bulb change the world?

    Q: How did the light bulb change the world?

    A: The invention of the light bulb changed the world in many ways, including facilitating the creation of large power grids, changing the social and economic structure of society and bringing other appliances into the home. Although many inventors had experimented with incandescent light bulbs, Thomas Edison created the first widely distributed model in 1879.
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  • Who invented the computer?

    Q: Who invented the computer?

    A: Technology historians do not credit any single person with the invention of the computer. A number of individuals made discoveries that led to the development of the electronic computer.
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  • Who invented springs?

    Q: Who invented springs?

    A: R. Tradwell invented the first coiled spring in 1763, according to Coiling Technologies, Inc. However, non-coiled springs have been in use since the days of the bow and arrow.
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  • What did Albert Einstein contribute to the world?

    Q: What did Albert Einstein contribute to the world?

    A: Albert Einstein's greatest contribution to the world was his theory of relativity in which he described new ways of looking at time, space, matter, energy and gravity. His works also provided the basis for advances such as the control of atomic energy, space exploration and applications of light.
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  • Who invented the 24-hour day?

    Q: Who invented the 24-hour day?

    A: The Greek astronomer Hipparchus was the first to propose a day divided into 24 equal hours. Hipparchus standardized this system from the Egyptians, who also divided the day into 24 hours but did not use a standard length for each hour.
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  • When was soccer invented?

    Q: When was soccer invented?

    A: Soccer, or football as many people call it, is believed to have been invented in ancient times, around 4,500 BC. There has been many different soccer like balls found throughout the world in countries like China, Egypt and Italy.
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  • When was the first airplane invented?

    Q: When was the first airplane invented?

    A: The first airplane was invented in 1903 by Orville and Wilbur Wright. Their historical flight at Kitty Hawk, N.C., was the first time a machine with a human passenger flew under its own power. The plane rose 10 feet in the air, flew 120 feet and landed after 12 seconds.
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