#1 Stone Tools | Early Humankind Ushers In The Age Of Invention

The very first human invention consisted of sharp ,flints ,found and used in their natural state by primitive peoples ,who then went on to purposely sharpen stones. The practice reaches back to the very dawn of humankind; Stone tools found in 1969 in Kenya are estimated to be 2,600,000 years old.

Stone Age humans became adept at chipping flasks
 of hard, volcanic rocks to make tools and weapons.

The principle types of tools, which appeared in the Paleolithic period, and varied in size and appearance, are known as core, flake, and blade tools. The core tools are the largest and most primitive, and were made by working on a Fist-sized piece of rock of stone ( core ) with a similar rock ( hammer stone ) and knocking large flakes off one side to produce a sharp crest. This was a general-purpose implement used for hacking pounding, or cutting, Eventually, thinner and sharper core tools were developed, which were more useful. Much later, especially during the last 10000 years of the stone age, other techniques of producing stone artifacts-including pecking, grinding, sawing, and boring-came into play.

The evolution of tool making enable early human kind to complete many tasks previously impossible or accomplished only vary crudely. Animals could be skinned, defleshed, and the meat divided up with stone cutter, cleavers, and choppers. Clothing was made from animal hides cleaned with rough stone scrapers and later punctured with awls. Hunting become more efficient with spearhead fashioned from stone flakes. And with the aid of stone adzes ( axes ), early humankind could create shelter and begin to shape the physical world to its liking.

Reference:- 1001 Inventions That Changed The World