The sarissa is a spear that was in use in the early third century BC and was between 180 and 300 inches in length (4.5–7.5 m). During Alexander the Great‘s conquests and the Wars of the Diadochi, this ...

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 ...

Learn about the fascinating history of geometry, from its first known application in ancient civilizations to its relevance in current science and technology. Ancient civilizations in places like 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 ...

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 ...

When Frank Lloyd Wright designed the Illinois Tower, he predicted that it would become the "eighth wonder of the world." Chicago’s unbuilt masterpiece, the Illinois Tower in 3D modelling. (Image: ...

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 ...

The Ultima Tower is a 2-mile-tall, 1-mile-wide structure planned to be built to protect the environment from excessive human development. The Ultima Tower is the tallest building ever planned for the ...

Brumalia was likely a derivation of the ancient Greek Lenaia festivals dedicated to Dionysus, where excesses in wine drinking and the liberalization of customs also took place.

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 ...

Damnatio ad bestias: The Dark Side of Roman Punishment Damnatio ad bestias was a brutal form of execution in which prisoners were thrown into an arena, usually the Roman Colosseum, to face wild and ...

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 ...