The Acheulean handaxe was the most common tool of early humans, but we still don’t know what the heck they used it for.
To learn more about this topic, start your googling with these keywords:
– Acheulean handaxe: large, chipped stone objects which represent the oldest, most common, and longest-used formally-shaped working tool in human history.
– Microscopy: the technical field of using microscopes to view samples & objects that cannot be seen with the unaided eye.
– Microlith: small stone tool usually made of flint or chert and typically a centimeter or so in length and half a centimeter wide.
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"Acheulean handaxe" photo by Mary Harrsch
"Obsidian Microlith" photo by the Smithsonian
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