the concept of reciprocal motion tools, whether than for generating frictional heat, rock boring or a cutting application (as through a skull 2nd century BCE)...then some guy by the name of Hein in Germany decided that a more efficient method of cutting open a human head was needed so he invented what was a necessity...ergo the mother of all invention
Zyklonbeekeeper 0 points 1 month ago
the concept of reciprocal motion tools, whether than for generating frictional heat, rock boring or a cutting application (as through a skull 2nd century BCE)...then some guy by the name of Hein in Germany decided that a more efficient method of cutting open a human head was needed so he invented what was a necessity...ergo the mother of all invention