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.Know More
Having discovered the reasoning behind why levers worked, Archimedes once famously stated, "Give me a place to stand on, and I will move the Earth." Using the principle of leverage, he invented block and tackle pulley systems, which allowed sailors to lift heavy objects that were too heavy to be lifted in any other manner.
Levers are employed in some of the most basic instruments used in modern times, including nutcrackers, tongs, scissors, pliers and hammer claws.Learn more about Inventions
There is no written evidence that indicates who invented the lever and pulley. The earliest mention of a pulley-like device (a device which also used a lever) came from the Greeks. Archimedes, a Greek mathematician, was credited with discovering how levers work and developing pulley systems.Full Answer >
It is impossible to name an inventor of biomass, because biomass has been used since humans first began to burn wood to create fire. Biomass refers to any material from the remains of previously living organisms, all plants and animals included.Full Answer >
The ax, also spelled "axe" outside of the United States, has no known inventor due to the fact that there is no definite way to determine when or where it was created. There is evidence that it was first made around 1.6 million years ago. There were numerous uses and types of axes from this time period.Full Answer >
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.Full Answer >