* The plow (3000 BC): This agricultural tool made it possible to cultivate land more efficiently and produce more food.
* The sailboat (3000 BC): This invention made it possible to travel across the seas and opened up new trade routes.
* Writing (3500 BC): This invention made it possible to record information and communicate with people over long distances.
* The calendar (3000 BC): This invention made it possible to track the passage of time and plan for the future.
* The compass (1st century AD): This invention made it possible to navigate the seas more accurately and safely.
* The printing press (1440): This invention made it possible to mass-produce books and other printed materials, which led to a dramatic increase in the spread of knowledge.
* The telescope (1608): This invention made it possible to observe the stars and planets in detail, which led to a new understanding of the universe.
* The microscope (1590): This invention made it possible to observe tiny objects, such as cells and bacteria, which led to a new understanding of the world of biology.
* The steam engine (1712): This invention made it possible to power factories and machines, which led to the Industrial Revolution.
* The electric motor (1831): This invention made it possible to power a wide variety of devices, from appliances to transportation, which led to a new era of technology.
* The telephone (1876): This invention made it possible to communicate with people over long distances, which revolutionized the way people lived and worked.
* The light bulb (1879): This invention made it possible to light up homes and workplaces, which changed the way people lived and worked.
* The automobile (1885): This invention made it possible to travel long distances quickly and easily, which revolutionized the way people lived and worked.
* The airplane (1903): This invention made it possible to travel through the air, which revolutionized the way people lived and worked.
* The computer (1946): This invention made it possible to process information electronically, which led to a new era of technology.
* The internet (1969): This invention made it possible to communicate with people all over the world and access information from anywhere, which revolutionized the way people lived and worked.
* The smartphone (2007): This invention made it possible to carry a powerful computer in your pocket, which has changed the way people live and work.