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The Gödel metric, also known as the Gödel solution or Gödel universe, is an exact solution, found in 1949 by Kurt Gödel, [1] of the Einstein field equations in which the stress–energy tensor contains two terms: the first representing the matter density of a homogeneous distribution of swirling dust particles (see dust solution), and the second associated with a negative cosmological ...
Given the difficulty of constructing explicit small families of solutions, much less presenting something like a "general" solution to the Einstein field equation, or even a "general" solution to the vacuum field equation, a very reasonable approach is to try to find qualitative properties which hold for all solutions, or at least for all ...
The New York spot price of gold closed Tuesday at just over $2,657 per Troy ounce — the standard for measuring precious metals, which is equivalent to 31 grams — the highest recorded to date ...
As historians such as John Stachel argue, Einstein's views on the "new aether" are not in conflict with his abandonment of the aether in 1905. As Einstein himself pointed out, no "substance" and no state of motion can be attributed to that new aether. [10] Einstein's use of the word "aether" found little support in the scientific community, and ...
In 2016, the mint introduced a one-ounce platinum coin with a face value of 100 euros. [3] Like any bullion coin, the value is based primarily on the metal content and the spot price of that metal on the commodities markets. The gold Philharmonic has a fineness of 999.9 (often written 0.9999, also known as 24 karat or 99.99% pure). [4]
Einstein's theory linked space, time and gravity. It holds that concentrations of mass and energy curve the structure of space-time, influencing the motion of whatever passes nearby.
On 21 January 1980 the gold fixing reached the price of $850, a figure not surpassed until 3 January 2008 when a new record of $865.35 per troy ounce was set in the a.m. fixing. However, when indexed for inflation, the 1980 high corresponds to a price of $2,305.18 in 2011 dollars, [ 3 ] thus the 1980 record still holds in real terms .