The dawn of human invention began not with microchips or machinery, but with something far more elemental: stone. Around 2.6 million years ago, early hominins in what is now Kenya unlocked a revolutionary skill—transforming ordinary rocks into tools. This marked the birth of the Paleolithic era, or Old Stone Age, setting our ancestors on a path of technological creativity that would forever alter the course of history. From Chance to Mastery: The First Tools Early humankind ushers in the age of inventions. The very first human invention consisted of sharp flints, found and used in their natural state by primitive peoples, who then went on to purposely sharpen stones. The practice reaches back to the very dawn of humankind; stone tools found in 1969 in Kenya are estimated to be 2,600,000 years old. The principal types of tools, which appeared in the Paleolithic period, and varied in size and appearance, are known as core, flake, and blade tools. The core tools are the largest and most p...