Have you ever imagined the state of our lives without this smart and most-demanded invention of the wheel? Sheer misery and the life of caves and hunting. The earliest of humans invented it to their greatest convenience, and gears came thousands of years later. This little invention is as old as 27th Century B.C., but now it continues to be an essential part of nearly every piece of machinery we lay our hands on.
Have you ever considered how these disks of gear wheels are made? Also, how those little details and the intricate and fine teeth on the gear wheels are always perfect and precise? It is not as simple as it might sound, and as painstaking as the process might be, it is an absolute treat to watch.
This video might force you to put in more thoughts into the details of the things that we use in our daily lives.