Stone Tool Making 101: The Mind of a Modern Knapper - Origins
A recent Science essay suggested that symmetrically shaped hand axes are precursors to symbolic behavior because making one requires holding a mental image of the finished product in your head. Origins asked a modern knapper, Steven Goldstein, an undergraduate anthropology major at Stony Brook University in New York state, to describe his thoughts as he created a stone tool.
Querem aprender a fazer um biface? Aqui está um bom guia.