It appears, in the present Europe territory already more than seven thousand years ago people were engaged in metallurgy. However, it was not a bronze, but copper - it is much easier for processing. And nevertheless … it is still interesting: people needed five thousand years to "to grow" from copper moulding to iron. And it was enough only hundred years from mechanical calculating machines up to pocket computers and from the first planes to flight on the Moon.
…What will be in hundred years?