نخاو الثاني
The Ancient Egyptians had knowledge of sail construction. This is governed by the science of aerodynamics. According to the Greek historian Herodotus, Necho II sent out an expedition of Phoenicians, which in three years sailed from the Red Sea around Africa to the mouth of the Nile. Some current historians believe Herodotus on this point, even though Herodotus himself was in disbelief that the Phoenicians had accomplished the act.