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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 ...
In physics the Einstein-aether theory, also called aetheory, is the name coined in 2004 for a modification of general relativity that has a preferred reference frame and hence violates Lorentz invariance. These generally covariant theories describes a spacetime endowed with both a metric and a unit timelike vector field named the aether.
The concept of a luminiferous aether as a medium sustaining electromagnetic waves was discarded after the advent of the special theory of relativity, as the presence of the concept alongside special relativity results in several contradictions; in particular, aether having a definite velocity at each spacetime point will exhibit a preferred direction.
Aether, a fictional planet in 2004 video game Metroid Prime 2: Echoes; Aether, an element in 2012 video game Phantasy Star Online 2; Ether, the building block of life in the Xenoblade Chronicles universe; Aether, a dimension added in a mod for the video game Minecraft; Aether, an ancient variety of entities present in Brandon Sanderson’s ...
Massive Online Analysis (MOA) is a free open-source software project specific for data stream mining with concept drift. It is written in Java and developed at the University of Waikato , New Zealand .
Modified Newtonian dynamics (MOND) is a theory that proposes a modification of Newton's second law to account for observed properties of galaxies.Its primary motivation is to explain galaxy rotation curves without invoking dark matter, and is one of the most well-known theories of this class.
This is an accepted version of this page This is the latest accepted revision, reviewed on 3 February 2025. Extinct order of birds This article is about the extinct New Zealand birds known as moa. For other uses, see Moa (disambiguation). Moa Temporal range: Miocene – Holocene, 17–0.0006 Ma PreꞒ Ꞓ O S D C P T J K Pg N North Island giant moa skeleton Scientific classification Domain ...
The North Island giant moa (Dinornis novaezealandiae) is an extinct moa in the genus Dinornis, known in Māori as kuranui. [4] Even though it might have walked with a lowered posture, standing upright, it would have been the tallest bird ever to exist, with a height estimated up to 3.6 metres (12 ft).