Ancient inventions

The scalpel is one of the oldest inventions in medicine. dropdown. People dropdown around 3000 BC in the area of modern Iraq. The scalpel did not change very much for 4,000 years. The Chinese invented acupuncture needles around 2000 bc. At first, dropdown.Today, people in China and other countries dropdown. People in southern Italy invented the first false teeth about 700 BC. They used pieces of bone, dropdown. After that, false teeth did not change for the next 2,500 years until, in 1770, a Frenchman called Alexis Duchateau first dropdown. Zacharias Jansen from Holland made the dropdown. Through it, objects appeared dropdown but it did not give a very clear picture. Jansen did not use his invention very much becausedropdown. The Chinese invented paper in the 2nd century BC. Over a thousand years later, dropdown. Another example is matches: dropdown but Europeans did not use them until the 19th century. Paper money is another Chinese invention: Europeans first made it in Sweden in 1661, but the Chinese dropdown.