Inventions

A:

The first camera was invented by Alhazen in around 1000 A.D. Alhazen, who was widely known as an authority on optics during the Middle Ages, invented the pinhole camera.

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  • When was the heart transplant invented?

    Q: When was the heart transplant invented?

    A: The first human heart transplant was performed on Dec. 3, 1967, when a South African surgeon, named Christian Bernard operated on 53-year-old Louis Washkansky. The transplanted heart was taken from a 25-year-old woman who died in a car accident prior that year.
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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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  • Why is silicon used to make computer chips?

    Q: Why is silicon used to make computer chips?

    A: Computer chips are written on silicon because it is inexpensive and a quality semiconductor. A good semiconductor responds to voltage to allow computers to make complex calculations. Silicon is also abundant in the natural world.
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  • Who invented dry cleaning?

    Q: Who invented dry cleaning?

    A: Modern dry cleaning was invented by two men in the mid-19th century: a Frenchman, Jean Baptiste Jolly, and an American, Thomas Jennings. Though their discoveries occurred independently of each other, they both used various chemical solvents to improve upon the cleaning practices of the day.
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  • What are some 1980s inventions?

    Q: What are some 1980s inventions?

    A: Notable inventions of the 1980s include the hepatitis-B vaccine, MS-DOS, IBM-PC, the scanning tunneling microscope, the human growth hormone, The Apple Lisa, contact lenses, Cabbage Patch Kids dolls, CD-ROM and the Apple Macintosh. Microsoft Windows was also invented in the 1980s.
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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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  • When was the first map invented?

    Q: When was the first map invented?

    A: Maps developed simultaneously in several parts of the world, so it is not clear who invented them. Though other examples of early maps exist, a 14,000-year-old carved stone tablet found in northern Spain in 1993 is the oldest depiction of geographic and other features.
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  • Who invented the ballpoint pen?

    Q: Who invented the ballpoint pen?

    A: The ballpoint pen was invented by Laszlo Biro in the 1930s, who was a Jewish-Hungarian journalist. During his time editing newspapers, he became very frustrated with the amount of smudging that the fountain pen caused. This made Biro determined to design a more practical pen.
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  • Who invented fabric softener?

    Q: Who invented fabric softener?

    A: Fabric softeners were invented in the mid 1900s by the textile industry to reduce static and improve the comfort of clothes. Scientist Conrad J. Gaiser later invented the more convenient dryer sheet in the 1960s.
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  • Who invented the paper clip?

    Q: Who invented the paper clip?

    A: The paper clip was invented by Norwegian Johan Vaaler in 1899. Because his home country did not have any patent laws in place at the time, Vaaler patented his design in Germany the same year.
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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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  • 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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  • 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 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 lever?

    Q: Who invented the lever?

    A: The inventor of the lever is unknown, as it has most likely been in use since prehistoric times. Greek mathematician Archimedes was the first to describe levers in approximately 260 B.C.
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  • What year was the cellphone invented?

    Q: What year was the cellphone invented?

    A: The cellphone was invented in 1973. The first call from a cellphone was made in New York City on April 3, 1973.
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  • Why did Alfred Nobel invent dynamite?

    Q: Why did Alfred Nobel invent dynamite?

    A: One possible reason for Swedish engineer Alfred Nobel's invention of dynamite was the safety of construction work and blasting rock in the mid-1800s. Nobel helped build bridges in Stockholm. Nitroglycerine was used in the detonation of rock, and it was a relatively unsafe method. According to the Nobel Prize Organization, Alfred Nobel's brother Emil was killed in a nitroglycerine explosion.
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  • Who invented binoculars?

    Q: Who invented binoculars?

    A: Ignazio Porro invented the first binoculars around 1854. Since then, they have been an essential tool for outdoor use, creating a more exciting experience for the viewer.
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  • When was the compass invented?

    Q: When was the compass invented?

    A: Evidence suggests that the magnetic compass was invented in China between 221 and 206 B.C. The earliest compasses were not used for navigation, but for fortune-telling. Chinese compasses became navigational orienteering devices between 1040 and 1044 A.D. and were used as maritime navigational devices by 1117 A.D.
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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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  • Who made the first robot?

    Q: Who made the first robot?

    A: While the concept of the robot is of ancient origin, the first humanoid robot was likely built by the Muslim inventor Al-Jazari around 1200 AD. His robot was an automated serving girl that, every seven minutes, would come out of a door and serve a cup of water.
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