Most Important Discoveries of Humanity

An American Science Community has concluded after one of its researches that Mendeleev’s periodic table of elements was the most important discovery the humanity made…

The Community has published a list of 10 most important discoveries the humanity ever made. The results of this research were based on answers of a survey conducted by the community.

According to that survey:

– the second most important discovery, following the Mendeleev’s period table of elements, was the discovery of iron processing (Egypt 3500 B.C.);

– the third was the transistor discovery was the invention of (John Bardeen and colleagues in 1948);
– fourth invention was declared the glass processing (circa 2200 B.C in South-Western Iran);
– fifth discovery was named the invention of the optical microscope in the 17th century;

– number six, the invention of concrete by John Smeaton was placed on the sixth place among the inventions;
– the seventh invention in the list was given to the steel processing, found about year 300 B.C. in India;
– brass processing in about 5000 B.C. on the present territory of Turkey has taken the eighth entry in the list;

– ninth position was taken by the discovery of diffraction of Roentgen rays in 1912 by Max von Laue;
– the last, but not the least, was named Henry Bessemer’s iron processing technology, invented in 1856.

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