The upheavals that accompanied the “Dark Ages” had a strong effect on technology, which soon, however, reached its peak. The development of emancipated cities, colonialism and its interaction with cultures of the new colonies all acted as a boost to quick development. Rational thought, the correlation between cause and outcome joined the paths of science and technology. Inventors and creators take on an identity. The historical era is known for the shift of interest from Experience to Theory and from the concept of “Almost” to that of “Exactly”. The technology which stands out is that of the famous mechanism of Antekythera of the 1st century BC.