Inventions

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Hair dye dates back to the Egyptians in 3400 B.C., when henna was used to cover up gray hair. A Roman doctor named Galen came up with a recipe for black hair dye in 100 A.D., which was tested and proved to be effective in 2006.

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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 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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  • 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 Binoculars?

    Q: Who Invented the Binoculars?

    A: J.P. Lemiere invented the first "binocular telescope" in 1825. A binocular is an instrument that provides a magnified view of far-away objects and consists of two similar telescopes, one for each eye, mounted in a single frame.
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  • When Were Stickers Invented?

    Q: When Were Stickers Invented?

    A: Although the exact information regarding the invention of stickers remains unknown, the origin may be traced back to R. Stanton Avery, who invented the first self-adhesive label in the 1930s. Other possibilities include inventions in the 1880s by advertising gurus in Europe or by Sir Roland Hill. Hill crafted and introduced an adhesive paper in 1839, which eventually became postage stamps.
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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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  • On What Date Was the Light Bulb Invented?

    Q: On What Date Was the Light Bulb Invented?

    A: According to the US Department of Energy, Thomas Edison and his team had produced a functional incandescent light bulb by October 1879. Before this, British inventors had been experimenting with arc lamps. The first "constant electrical light" was invented in 1835, after which inventors continued to make small improvements until Edison's commercial breakthrough.
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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 Microscope?

    Q: Who Invented the Microscope?

    A: Zacharias Janssen is the Dutch spectacle maker who is widely credited as the inventor of the first compound microscope. Although many of the archives surrounding Janssen's invention have been lost, historians believe that Zacharias and his father Hans invented the first microscope at some point in the 1590s.
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  • Who Invented the Fluorescent Lamp?

    Q: Who Invented the Fluorescent Lamp?

    A: According to the U.S. Department of Energy, engineer and inventor Peter Cooper Hewitt created the first usable fluorescent lamp in the early 1900s. While earlier inventors and researchers experimented with fluorescence, Hewitt's design led to the first commercially successful form of fluorescent lighting.
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  • Who Invented the Refrigerator?

    Q: Who Invented the Refrigerator?

    A: The first artificial refrigerator was invented by renowned Scottish physician William Cullen in 1755. After the cumbersome device produced a small amount of ice through delicate, manual labor, refrigeration technology was deemed impractical and was not further advanced for decades.
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  • When Did the Practice of Knitting Begin?

    Q: When Did the Practice of Knitting Begin?

    A: The earliest form of knitting, known as nalbinding, is believed to date back to roughly the third to fifth century of the Common Era. This single-needle knitting approach can be found in socks from this period of time.
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  • Why Were Video Games Invented?

    Q: Why Were Video Games Invented?

    A: Engineer Ralph H. Baer worked for a television manufacturer and came up with the idea to incorporate an electronic video game into a TV set to increase sales. The company rejected his plan, but Baer eventually developed a prototype console in 1967.
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  • Who Invented Checkers?

    Q: Who Invented Checkers?

    A: It is not known who invented checkers. The Encyclopedia Britannica states that checkers is one of the oldest games in the world. The modern form of checkers emerged by the 16th century.
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  • Who Invented the Newspaper?

    Q: Who Invented the Newspaper?

    A: The first known newspaper was the Roman Acta Diurna, published on orders from Julius Caesar in 59 B.C. It is unknown who physically made the papers. Caesar wanted to inform the public about important social and political happenings, as well as upcoming events.
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  • What Year Was the Helicopter Invented?

    Q: What Year Was the Helicopter Invented?

    A: The first successful helicopter was the Focke-Wulf Fw 61, whose first flight was June of 1936 in Germany. The man often credited with being the inventor of the helicopter is Igor Sikorsky, whose version first flew on September 14, 1939.
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  • How Did the Light Bulb Change the World?

    Q: How Did the Light Bulb Change the World?

    A: The light bulb changed the world by facilitating the creation of large power grids and changing the social and economic structure of society. It also brought electricity and electric appliances into the home.
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  • Who Invented the Arch?

    Q: Who Invented the Arch?

    A: It is believed that the Sumerians invented the arch somewhere around 6000 B.C. The Romans, however, receive much of the credit for perfecting the design.
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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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  • 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 SCUBA?

    Q: Who Invented SCUBA?

    A: SCUBA, which stands for Self Contained Underwater Breathing Apparatus, was invented by Frenchmen Jacques-Yves Cousteau and Emile Gagnan in 1943. Creating underwater breathing devices had long fascinated inventors, and some inventions had varying degrees of success, but Cousteau and Gagnan allowed adventurers to experience the ocean like never before.
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