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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