Since humans first walked the earth tools have not only been essential for survival, but necessary for the advancement of culture and society. Archaeologists date the oldest existing tools to the Stone Age, which took place anywhere between 3.4 million years ago and 2000 BC. In fact, evolutionary biologists hypothesize that humans and primates developed their opposing thumbs to enable the gripping of tools.
If you have never worked in industrial manufacturing, you would likely be fascinated to see the sophisticated machines used to produce the durable goods lining the shelves of our favorite retailers. When you see how fast, powerful, and precise this equipment is, it is difficult to believe that each piece evolved from the stone chisels and hammers used by prehistoric humans hundreds of thousands of y