A wheeled bull figurine from 3950–3650 BC was discovered in Europe, and it is the oldest identified object that has a wheel. The origin and invention of the wheel can be traced back to our natural ...

X-Seed 4000 is a 13,100-foot (4,000-meter) tall megastructure with 800 floors. It has a capacity for 1 million people living inside at the same time. The X-Seed 4000 is a floating “ocean city” off the ...

The weapon first emerged in the 15th century and was used in Turkey, Hungary, and the borderlands between France and Germany. There were three distinct varieties of the sword: Turkish, Hungarian, and ...

Gears are mechanical devices made up of disks with teeth (“cogwheels”) that mesh with each other. A cogwheel is mounted on a central axis of rotation with many other cogwheels on the outside, and ...

Lightning is only one of several electromagnetic phenomena caused by thunderstorms that we can see here on Earth. Pilots have reported seeing red “sprites” and “blue jets” above thunderclouds for ...

Ancient civilizations in places like the Indus Valley and Babylonia roughly 3000 BC are credited with laying the groundwork for geometry. Geometry first appeared in the ancient world as a set of rules ...

The Ljubljana Marshes Wheel is believed to be over 5,100–5,350 years old, making it the oldest of its kind in the world. This ancient wooden wheel from the Chalcolithic (Copper Age) measuring 72 cm ...

The Tokyo Tower of Babel is a proposed hyperbuilding in the city of Tokyo that is 33,000 feet or 6,2 miles (10 km) tall. The Tokyo Tower of Babel was designed as a new megastructure by Professor ...

The Anthesteria (ancient Greek Ἀνθεστήρια, translated as “Flower Festival”) was a festival in the Attic festival calendar. It took place over three days, from the 11th to the 13th of the month ...

The Parma shield was a round Roman shield that was widely used by Roman soldiers from the 1st to the 8th century AD. It resembled the Greek aspis and played a significant role in Roman military ...

In many derogatory titles that had little to do with the actual inhabitants of the area, Tartaria became the most popular term for Central Asia and Siberia in European sources. European knowledge of ...

Ghoul in Mythology: Origin and History The etymology of ghūl has been proposed to be the Arabic word meaning "to seize." On the other hand, the word may be a derivation from the Mesopotamian mythology ...