Everything about Eureka Word totally explained
Eureka (
Greek "I have found it") is an exclamation used as an
interjection to celebrate a discovery.
Archimedes
It is most famously attributed to the ancient Greek scholar
Archimedes; he reportedly proclaimed, "Eureka!" when he stepped into a bath and noticed that the water level rose – he suddenly understood that the
volume of water
displaced must be equal to the volume of the part of his body he'd submerged. This meant that the volume of irregular objects could be calculated with precision, a previously intractable problem. He is said to have been so eager to share his realisation that he leapt out of his bathtub and ran through the streets of
Syracuse naked.
Archimedes' insight led to the solution of a problem posed by
Hiero of Syracuse, on how to assess the
purity of an irregular golden crown. Equipment for weighing objects already existed, and now that Archimedes could also measure volume, their ratio would give the object's
density, an important indicator of purity.
This story first appeared in written form in
Vitruvius'
books of architecture, two centuries after it supposedly took place. Some scholars have doubted the accuracy of this tale, saying among other things that the method would have required precise measurements that would have been difficult to make at the time.
Other Famous Uses
Another famous mathematician,
Carl Friedrich Gauss, echoed Archimedes when in 1796 he wrote in his notebook, "ΕΥΡΗΚΑ! num= Δ + Δ + Δ", referring to his discovery that any positive
integer could be expressed as the sum of at most three
triangular numbers.
Names and Mottoes
The expression is also quoted as the
state motto of
California, referring to the momentous
discovery of gold near
Sutter's Mill in 1848. The
California State Seal has included the word "eureka" since its original design by
Robert S. Garnett in 1849; the official text from that time describing the seal states that this word's meaning applies "either to the principle involved in the admission of the State or the success of the miner at work". In 1957, the state legislature attempted to make "In God We Trust" the state motto, but this attempt didn't succeed, and "Eureka" became the official motto in 1963.
The city of
Eureka, California, founded in 1850, uses the
California State Seal as its official seal. It is the largest of at least eleven remaining US cities and towns named for the exclamation, "eureka!". As a result of the extensive use of the exclamation dating from 1849, there were nearly 40 locales so named by the 1880s in a nation that had none in the 1840s. Many places, works of culture, and other objects have since been named "Eureka"; see
Eureka for a list.
'Eureka' was also associated with a gold rush in
Ballarat,
Victoria,
Australia. The
Eureka Stockade was a revolt in 1854 by gold miners against unjust mining license fees and a brutal administration supervising the miners. The rebellion demonstrated the refusal of the workers to be dominated by unfair government and laws. The Eureka Stockade has often been referred to as the 'birth of
democracy' in Australia.
Linguistics
Hēurēka is the 1st person singular perfect indicative active of the Greek verb
heuriskein, (Greek εὑρίσκειν) meaning "to find"; it means "I have found it", or more accurately, "I am in a state of having found it". The
English version of the word is ; in ancient Greek ηὕρηκα (later εὕρηκα) would have been in both former and later forms, while the modern Greek pronunciation is [ˈevrika].
Further Information
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