General culture test. Who yelled “Evrica!”?

Who yelled “Evrica!”? A famous mathematician made many important scientific contributions, but it is not known for certain whether this exclamation really belonged to him.

Here’s the legend: the local tyrant hires the ancient Greek encyclopedic Archimedes to discover fraud in the making of the golden crown. This tyrant, called Hiero, suspected that his jeweler had taken a certain amount of gold and exchanged it for silver in a crown dedicated to the gods.

Archimedes accepts the challenge, and during a later trip to the public baths, he realizes that the more his body is submerged in water, the greater the water’s displacement, making the displaced water an accurate measurement of his body volume.

Since gold weighs more than silver, he argues that a crown mixed with silver must be larger in order to reach the same weight as a crown composed of gold alone; Therefore, it will displace more water than its pure gold counterpart. Realizing that he had come up with a solution, the young Greek mathematician jumped out of the bathroom and rushed home empty-handed shouting “Evrica! Evrica!”, which translates to “I managed to find out!”.

Who yelled “Evrica!”?

Thousands of years later, people stunned by inspiration while showering still sometimes wonder who yelled “Evrika!”

Unfortunately, it is very likely that Archimedes never said this. At least not that way, Scientific American notes.

First, Archimedes never wrote about this ring, although he did spend a lot of time detailing the laws of buoyancy and levitation (leading him to famously say, “Give me a fulcrum and I can move the Earth”), calculating the ratio of circles we know as pi, and going on All the way to calculus, which otherwise would not have been invented for another 2,000 years, among other mathematical, engineering and physical achievements.

How did the legend originate?

The oldest reference to Archimedes’ story is “Evrica!” He Vitruvius, a Roman writer, included the story in his preface to his ninth book on architecture sometime in the first century B.C. Since this was almost 200 years after the supposed event, the story may have been improved on in the book.

“Vitruvius may have been misunderstood. The volumetric method works in theory, but when you try it, you find the real world standing in your way,” says Chris Roris, a University of Pennsylvania mathematician and Archimedes fan.

In fact, Roris is one of a long line of scholars, including Galileo, who read the novel and thought it “could not be true”.

How can things actually happen?

As Galileo showed in his La Bilancetta, or “The Little Balance,” a scientist in Archimedes’ stature could have obtained a more accurate result using his law of buoyancy and fine equilibrium, something more common in the ancient world than a highly accurate tachometer, used to measure substitution. (The surface tension of water can make the volume of a light object like a wreath immeasurable.)

“There may be some truth in that. Archimedes measured the volume of things, but the eureka moment was probably due to his initial discovery of buoyancy, not of standing in a bathtub and then running through the streets of Syracuse naked,” adds Roris.

It doesn’t matter who chanted “Evrica!” , only the inspiration that makes us say this word is important

Like Newton’s apple, the exclamation point persisted because of its story: a golden crown and an empty mathematician.

Archimedes was a fountain of both mathematical insight and clever quotes, as well as the hero of some truly great stories. One of these is credited with inventing the death ray, in fact a series of mirrors that focus sunlight on setting fire to the invading Roman fleet.

But the questionable origins of Evrica’s moment do nothing to diminish the word’s ability to convey excitement in moments of inspiration.

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