Search results
Results From The WOW.Com Content Network
The megalithic yard is a hypothetical ancient unit of length equal to about 2.72 feet (0.83 m). [ 1 ] [ 2 ] [ 3 ] Some researchers believe it was used in the construction of megalithic structures. The proposal was made by Alexander Thom as a result of his surveys of 600 megalithic sites in England , Scotland , Wales and Brittany . [ 4 ]
Unobtainium (or unobtanium) is a term used in fiction, engineering, and common situations for a material ideal for a particular application but impractically difficult or impossible to obtain. Unobtainium originally referred to materials that do not exist at all, but can also be used to describe real materials that are unavailable due to ...
They are 0.2 to 1.2 m (7.9 in to 3 ft 11.2 in) tall and often decorated with geometric designs such as horizontal bands, flowing water patterns or spirals. [ 25 ] [ 29 ] A few bells feature the earliest Japanese depiction of people and animals.
In Greek Mythology, Aether serves as a counterpart to mortal air that the gods breathed and also serves as a primordial being serving as the personification of the upper sky. Final Fantasy XIV: In the MMORPG Final Fantasy XIV, Aether is one of the main elements of life and magic in the world. [12] [13] Magic: The Gathering
In the 19th century, luminiferous aether (or ether), meaning light-bearing aether, was a theorized medium for the propagation of light. James Clerk Maxwell developed a model to explain electric and magnetic phenomena using the aether, a model that led to what are now called Maxwell's equations and the understanding that light is an ...
4th-century BC – Aristotle publishes Physics, in which the aether is briefly described as being an element lighter than air that surrounds celestial bodies.He describes the aether in relation to other elements – aether is lighter than air and is located above it, whereas air is lighter than water, and water is lighter than earth.
In archaeology, a hammerstone is a hard cobble [1] used to strike off lithic flakes from a lump of tool stone during the process of lithic reduction. [2] The hammerstone is a rather universal stone tool which appeared early in most regions of the world including Europe , India [ 3 ] and North America .
Chopping tools. In archaeology a chopping tool is a stone tool. Stone tools are usually dated by determining the age of the find context e.g. by carbon-14 dating and potassium–argon dating. The oldest stone tools are about 3 million years old. Chopping tools mainly occur in the Olduwan (2.9 to 1.6 million years ago).