![]() He also built a device that was used in ancient wars that could raise a ship out of the water and sink it. He designed this ship, which could carry 600 people This cylinder was put in water, and as the screw turned water could be drawn to the top.Īrchimedes’ screw was fixed onto the largest ship built in ancient history to take out extra water from its hull. His experiments with water led him to also discover density and specific gravity.Īrchimedes invented the mechanism behind the modern water drainage systems used in agricultural projects.Īrchimedes’ screw was a spiral shaped screw that was placed inside a cylinder. Ultimately Archimedes’ experiment confirmed that the goldsmith and indeed tricked the king and mixed silver. Therefore, for an object to float, it has to be able to displace an amount of liquid that is equal to its own weight. This explains why certain objects float (like boats and ships), while others sink (like a stone). This is called the Archimedes Principle, which means that anything that is sunk fully or partially in liquid is pushed up by a force (buoyancy) which is measured by the amount of liquid that spills out. He was so excited by his discovery that he forgot to get dressed and ran out onto the streets screaming “Eureka! Eureka” which means, “I found it, I found it”. He then understood that the amount of water that fell out was equal to his body weight. ![]() Archimedes found the answer in his bathtub, that the level of water increased and spilled out when he got in. He called Archimedes to test the crown to see if it had the full amount of gold without melting the crown. The king thought that the goldsmith had tricked him by mixing some silver with it instead. King Hiero II had supplied a goldsmith with a pure chunk of gold, to make him a golden crown. What is today known as the ‘Archimedes Principle’ was born out of an interesting story. He left Syracuse as a young boy, to attend the University of Alexandria in Egypt where he met and studied with other famous scientists. Today, Archimedes deserves respect and admiration for his many discoveries and inventions, his theories of mathematics, and his intellectual writings. No one knows if he ever married or had a family. Some believe he was related to King Hiero II of Syracuse, others believe his father was an astronomer, while others believe it was both. Sadly, most information on Archimedes’ childhood is lost. Besides being a mathematician, he was a physicist, inventor, astronomer, and engineer. Perhaps the greatest mathematician to ever have lived was Archimedes of Syracuse.
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