- #36
Adam
- 65
- 1
Two blades joined at a pivot between the grips and the cutting surfaces, yes. They've been around for millennia.
The oldest known invention is the stone tools, which date back to 2.5 million years ago. These tools were used by early humans for hunting, cutting, and scraping.
The wheel was invented by the Sumerians in Mesopotamia around 3500 BC. However, it is believed that the concept of the wheel may have originated in other civilizations such as the ancient Egyptians and the Indus Valley Civilization.
The invention of the printing press by Johannes Gutenberg in the 15th century revolutionized the way information was shared and disseminated. It made books and other written materials more accessible, leading to an increase in literacy and the spread of knowledge.
While electricity has been known since ancient times, it was not until the 18th and 19th centuries that scientists such as Benjamin Franklin, Alessandro Volta, and Michael Faraday made significant contributions to our understanding and use of electricity.
The Industrial Revolution, which began in the 18th century, brought about significant changes in society and the economy. It led to the mechanization of production, the growth of factories, and the development of new technologies, resulting in increased productivity and urbanization. However, it also had negative effects such as poor working conditions and widening economic inequalities.