Top 10 inventions factsInventions quiz
The Claw of Archimedes was used as ...
Weapon that protected Syracuse. Archimedes devised defensive devices to counter the Roman efforts including a huge crane operated hook – the Claw of Archimedes – that was used to lift the enemy ships out of the sea before dropping them to their doom.
According to the U.S. Supreme Court (2013), what cannot be patented?
Genes. The U.S. Supreme Court in 2013 held that human DNA was a "product of nature", a basic tool of scientific and technological work, thereby placing it beyond the domain of patent protection. It struck down patents held by Myriad Genetics Inc, a Utah company, on two genes linked to a higher risk of breast and ovarian cancer. The ruling represents a major shift in the law, overturning three decades of patent awards by the US government and could have a profound effect on the biotechnology and drug industry.
Where was the wheel first invented?
In Mesopotamia. A wheel is a circular component that is intended to rotate on an axle bearing. The first evidence of wheeled vehicles appears in the second half of the 4th millennium BCE, in Mesopotamia (Sumerian civilization),
What is the Hero's engine?
Steam turbine. An aeolipile (or aeolipyle, or eolipile), also known as a Hero's engine, is a simple bladeless radial steam turbine which spins when the central water container is heated. In the 1st century AD, Hero of Alexandria described the device in Roman Egypt, and many sources give him the credit for its invention.
Who invented the spectroscope?
Joseph van Fraunhofer. Joseph Ritter von Fraunhofer was a Bavarian physicist and optical lens manufacturer. He made optical glass and achromatic telescope objective lenses, invented the spectroscope, and developed diffraction grating.
Who constructed the first radio receiver?
Nikola Tesla. Marconi was credited to be the first radio constructor, but in 1943 the US Supreme Court has granted patent rights to Tesla patent. Marconi admitted he was using Tesla's work in his construction.
Where was black gunpowder invented?
China. Black gunpowder was invented in 9th-century China and spread throughout most parts of Eurasia by the end of the 13th century. Originally developed by alchemists for medicinal purposes, gunpowder was first used for warfare about 1000 CE.
What happens to a patent when it expires?
It becomes public domain. A patent allows you, and only you, to profit from your genius when you invent something new. No one else can manufacture or sell your invention unless you give permission. When a patent expires, anyone can copy your idea and market it. It becomes public domain
Who are considered to be the creators of coins?
Phoenicians. The creators of coins were probably Phoenicians. Phoenicia is an ancient land that encompasses the areas of today's Lebanon, western Syria and northern Israel. In addition to the invention of coins, the Phoenicians also created the first ever alphabetical magazine.
Where was the skateboard invented?
In United States. By the 1960s a small number of surfing manufacturers in Southern California such as Jack's, Kips', Hobie, Bing's and Makaha started building skateboards that resembled small surfboards, and assembled teams to promote their products. One of the earliest Skateboard exhibitions was sponsored by Makaha's founder, Larry Stevenson, in 1963