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Who was the first to create a code of laws in the world? Detailed answer

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Who was the first to create a code of laws in the world?

The oldest surviving legislative collection was carved in stone in the 35th year of the reign of Hammurabi (1792-1750 BC) around 1759 BC. e. The code of laws consisted of 282 articles.

Today the stone is kept in the Louvre.

Author: Mendeleev V.A.

 Random interesting fact from the Great Encyclopedia:

When did shoe stores use x-rays?

In 1927, a fluoroscope for shoe stores was patented, which entered American and European salons. The buyer had an x-ray of his feet, which made it very convenient to select shoes. However, after numerous complaints about damage to health from a shock dose of radiation (one woman even had her legs amputated), all the devices were withdrawn and destroyed.

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Random news from the Archive

Platinum filament for fuel cell 22.04.2009

A long nanowire makes it possible to qualitatively change the fuel cell, according to materials scientists from the United States.

One of the electrodes of modern hydrogen fuel cells consists of carbon coated with platinum catalyst nanoparticles. The inconvenience of this solution is obvious: a two-phase system, substances differ in chemical and physical properties. In general, the solution is not optimal. But there is no other way, except to make an electrode from pure platinum. And it's expensive.

Scientists from the University of Rochester, led by Professor James Lee, have found a way out. Using electrospinning, they have learned how to create a platinum centimeter nanowire - a thousand times longer than any metal nanowire created so far.

From such wires it is already possible to make an electrode with a surface large enough to work as a catalyst, but at the same time it will be possible to collect electricity from it without the use of an additional substrate.

"Until now, people did not think about using nanowire electrodes because they did not know how to make them. We have made a nanowire and are now creating a fuel cell with such an electrode," says Prof. Li.

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