FIRE
It is assumed that the prehistoric man knew the fire by the eruption of a volcano, fire or lightning strikes.
The fire was known to man almost 500,000 yaers BC.
In the beginning, the biggest problem was care the fire that men wore to the villages, and keep it rinnung. They did not know how to switch on and feed it with fuel yet. When they went into possession of the fire was likely to lose it again. And they had to wait again that nature would provide them the chance to get it.
Following this need, they named themselves fire wardens.
There was the priestly order of the Vestal Roma. If a vestal left off the sacred fire was buried alive in punishment.
When the prehistoric man managed to light the fire, he dominated one of the elements that would help the to advance of civilization.
Onw of the tracks that ensure the use of fire in prehistory, datedfrom 340,000 years BC, was found in China. But it is not clear whether he retained fire of nature.
The first method assumes that power was rubbing a point serif on the same point of dry wood.
The most common method was rotating a tip on a wooden post.
He also managed to light by sparks stones containing iron pyrites.
Moreover ignition was due solve the problem of where to turn and keep the fire: on rocks, in claves, buried in a pit, buried in a hole lined with stones.
It was not until 1827 to make available an invention as phosphors, to achieve an easy ignition.