 ...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.);
- 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 dis... |
