"I think the Oldowan technology is probably the most important technological innovation that ever happened in human history." ...

The basis of many Upper Paleolithic tool forms from both the Old and New Worlds was the blade flake, a thin, parallel-sided flake that is at least twice as long as it is wide. Blade flakes were ...

Bevelled edge: An edge that is slanted. Biface: A flaked stone tool that has been modified or retouched on both sides. Blade: A cutting tool made from a flake that’s length is at least twice its width ...

Archaeological Science Reports 47: 103743 ... and W. Karl Hutchings Whither the billet flake? In D. Amick and R. Mauldin (Eds.) Experiments in lithic technology. BAR International Series 528: Oxford.

Wang Fagang, a researcher at the Hebei Provincial Institute of Cultural Relics and Archaeology ... making it easier to detach thin stone flakes. This is the first discovery of its kind in North ...