Van Order, 62, has made a “profitable hobby” of the timeless art of flint knapping to create examples ... calms him and gets him “back to the Stone Age,” he said jokingly.

Patten. Flint-knapping is equal parts art and science, which I learned firsthand as Eren guided me while making a Stone Age hand axe out of the random chunks of chert Eren keeps in buckets in his lab.

When Japanese scientists wanted to learn more about how ground stone tools dating back to ... flakes and blades can break in half during flint knapping; transporting tools in, say, small leather ...

Two of the stone tools analyzed were made using the Levallois knapping technique of the Levant Stone Age, in which a flint stone core is essentially flaked away to make a point that can cut and hack.

The Pitt Rivers Museum authorities at Oxford have recently issued their first Occasional Paper on Technology, and it is entitled "The Manufacture of a Flint Arrowhead by Quartzite Hammer-stone"*.

so Stone Age people needed sharp, strong tools to cut trees down and to hunt the animals for food. And this is where a stone called flint came in. There's a real skill to making tools out of flint.