The image displays a hand axe, also known as an Acheulean hand axe or biface.
This prehistoric stone tool, characterized by its two faces, holds the distinction of being the longest-used tool in human history.
It is typically crafted from stone, such as flint or chert, shaped by knapping (hitting against another stone) to reduce and refine it from a larger piece.
Hand axes are commonly associated with the lower Acheulean and middle Palaeolithic (Mousterian) periods, roughly spanning from 1.6 million years ago to about 100,000 years ago.
They were primarily utilized by early hominins like Homo erectus and other early humans, though rarely by Homo sapiens.
The archetypical hand axe is generally bifacial, almond-shaped (amygdaloid), and often symmetrical along its longitudinal axis, formed through pressure or percus
sion.
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