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 ...

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 ...

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 ...

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 ...

The Shaolin monks brought the Gùn (Chinese: 棍), a staff used in their style of stick combat, to Japan. In that region, the gùn underwent various changes before becoming known as the bō. During this ...

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 ...

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.

A partisan is a type of polearm weapon with a long wooden handle and a metal spire. It has two symmetrical cutting edges that are straight and terminate in two curved fins at the base. The partisan ...

In science, the Nobel Prizes are the ultimate distinction, yet not every great mind has been recognized. Dmitri Mendeleev, Ludwig Boltzmann, Edwin Hubble, Lise Meitner, and Stephen Hawking are just a ...

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 ...

Chicago’s unbuilt masterpiece, the Illinois Tower in 3D modelling. (Image: Frank Lloyd Wright Foundation, David Romero) It was in Illinois that Frank Lloyd Wright, “the father of modern architecture”, ...

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 ...