Wheel

The Wheel is a fundamental invention that consists of a circular object that rotates around an axle. It allows for the easy movement of heavy loads and has played a crucial role in transportation and machinery throughout history. The earliest known wheels date back to around 3500 BC. The concept of the wheel has also inspired innovations in various fields, such as engineering and technology. Overall, the wheel is a simple yet transformative tool that has significantly advanced human civilization by improving efficiency in travel, trade, and production.