Ancients could build complex mechanical devices <a href="https:&#x2F;&#x2F;en.wikipedia.org&#x2F;wiki&#x2F;Antikythera_mechanism" rel="nofollow">https:&#x2F;&#x2F;en.wikipedia.org&#x2F;wiki&#x2F;Antikythera_mechanism</a> maybe the technology was even older.