Search results for keyword: empires
Topographical Mapping
Terrain mapping is a method of creating detailed geographical maps using a combination of aerial photography, satellite imaging and GPS data. This data is then analyzed and interpreted to create detailed, accurate maps of terrain features such as mountains, valleys, and rivers. Terrain mapping can......
1049 
Sophia
ancient history of machinery
Ancient History of Machinery
The very first machines were created as replacements for human skills. For example, back in ancient Egypt, 4000 BC, farmers and merchants used shadufs, a manual machine created to lift water from a river and put it into a crop field. This allowed them to control the a......
Ground balance
Two of Chinas greatest empires, the Tang and the Song, were known for their unmatched sophistication and technical advances. Many of the advances were attributed to the systems of education that were put in place in both empires. The Tang Empire was the first to implement a large-scale system of e......
monazite
Tomb of Loneliness: A Lonely Individual’s Stone
The Tomb of Loneliness, also known as the Lonely Individual’s Stone, is an ancient artifact found in China that is estimated to be around 5,000 years old. It is thought to have belonged to an individual who lived alone in the pre-modern era, a tim......
copper sheet
The Bronze Age (3000–1000 BCE) constituted the beginning of the use of metal for tools and weapons. The period was marked by the introduction of the use of bronze, an alloy of copper and tin. Bronze weapons and tools replaced those made by stone and copper. The use of bronze proved to be more eff......
Beryllium Bronze
Bronze is an alloy consisting primarily of copper, usually with tin as the main additive. It was the first alloy discovered and has been in use for thousands of years. In fact, some of the earliest tools and weapons in human history were made from bronze. Because of its properties, bronze has been......
bronze
Bronze Age
The Bronze Age was a period in human history characterized by the use of bronze, a metal alloy of copper, tin and zinc. It preceded the Iron Age, which followed the Iron Age in most parts of the world. The Bronze Age is said to have begun in around 3300 BCE in parts of western Asia, th......
carbon-graphite slide
Graphite is a unique material with a wide range of applications. With its combination of electrical and thermal properties, graphite is used in the production of a variety of electronic and industrial components including microelectronics, energy storage and conversion, and many other sectors.
Gr......
Slump
The Fall of Rome
The fall of the Roman Empire is one of the most well-known events in world history. It is a topic of endless fascination and interpretation. There are a variety of reasons why Rome fell, and each of these interpretations is valid in its own right. However, most of them have to do......
beryl
Limonese Greenstone
Limonese Greenstone is one of the oldest and most revered stone types on the planet. It is a unique naturally occurring stone that has been used in various cultures throughout history. It has a deep, greenish hue and is highly sought after because it is said to represent wisdom......
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