An array of Neolithic artifacts, together with bracelets, axe heads, chisels, and sharpening instruments. The earliest stone instruments were crude, being little greater than a fractured rock. In the Acheulian era, starting approximately 1.sixty five million years in the past, strategies of working these stone into particular shapes, similar to hand axes emerged. The Middle Paleolithic, approximately 300,000 years in the past, saw the introduction of the prepared-core approach, where multiple blades could possibly be rapidly shaped from a single core stone. Eurasia Journal of Mathematics, Science & Technology Education, eight, 283 – 292. Effect of drawback fixing methodology on…