Types Of Technology
The advantages of copper instruments over stone, bone, and picket instruments had been shortly apparent to early people, and native copper was probably used from near the start of Neolithic instances (about 8000 B.C.E.). Native copper does not naturally occur in large amounts, but copper ores are quite widespread and some of them produce metallic simply when burned in wood or charcoal fires. Eventually, the working of metals led to the discovery of alloys such as bronze and brass (about 4000 B.C.E.). The earliest stone instruments were crude, being little greater than a fractured rock. In the Acheulian period, beginning …