SHARP STONE BLADE (C 30,000 B.C.E.)

 STONE AGE HUMANS PROGRESS TO SHARPENING THEIR TOOLS AND WEAPONS.

The use of stone instruments more than two million years ago heralded what we call the stone age and the very origins of humankind. While it is impossible to date when distinctly worked stone blades first appeared in the world, It seems to have occurred circa 30,000 B.C.E.
The technique that evolved to create sharp stones is now called

lithic reduction. this involves the use of an implement to strike a stone block to break off flakes. Such flakes will be naturally sharp and be turned into a range of useful tools and weapons such as scrapers, scythes, knives arrowheads, or spear points. Some early toolmakers may also have used what was left of the stone block to make ax heads.
 After the end of the last Ice Age 10,000 years ago, the period was characterized by increasingly sophisticated stone tools with multiple uses.
Other tools were produced using blades made by knapped flint or obsidian, a type of naturally occurring glass. Small sharp blades known as microliths, became part of wooden cutting implements for use in farming, as well as barbs on arrows and spears, making them particularly effective as hunting weapons.

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