When God Create the kind of creature other than sisebut another man, God equipped him with intellect. Intellect is ultimately the source of all knowledge. Approximately half a million years ago, humans began to think about the first discoveries. The first discovery is very simple, so it is unknown who started it. Among the first invention may take the form of weapons for self-defense. Humans do not have horns like a buffalo or nails that could gripping such as tigers and lions or strength like that belongs to the elephants and bears. Humans only have hands and mind.
Approximately half a million years ago our ancestors learned to hunt and fight with sticks that diruncingi. They made stone axes from approximately 12,000 years ago. These weapons could protect humans from their enemies. They hunt and used as food. When a man is already adept at making weapons of stone and start a simple agriculture, science renamed the days of discovery perpulaan also called Neolithic stone age
Source: Kitab Emas "Penemuan-penemuan dari dulu sampai kini"
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