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As Valtr (1998) showed, the set system derived from an art gallery problem has bounded VC dimension, allowing the application of set cover algorithms based on ε-nets whose approximation ratio is the logarithm of the optimal number of guards rather than of the number of polygon vertices. [12]
The objective of the Gravity Probe A experiment was to test the validity of the equivalence principle. The equivalence principle is a key component of Albert Einstein's theory of general relativity, and states that the laws of physics are the same in an accelerating reference frame as they are in a reference frame that is acted upon by a uniform gravitational field.
The book, based on interviews with scientists and engineers who worked in Area 51, addresses the Roswell UFO incident [1] [2] and dismisses the alien story.. Instead, it suggests that Josef Mengele was recruited by the Soviet leader Joseph Stalin to produce "grotesque, child-size aviators" to be remotely piloted and landed in America to cause hysteria in the likeness of Orson Welles' 1938 ...
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‘Storm Area 51’ became a viral phenomenon after a joke Facebook post urging people to crash the military base ‘to see aliens’; Bret Baier has the latest updates on several events.
The Origins of a Mystery. The beginning of Area 51 is directly related to the development of the U-2 reconnaissance aircraft.After World War II, the Soviet Union lowered the Iron Curtain around ...
HARMONIE-Climate (HCLIM) is a limited area climate model based on the HARMONIE model developed by a large consortium of European weather forecastign and research institutes . It is a model system that like WRF can be run in many configurations, including at high resolution with the non-hydrostatic Arome physics or at lower resolutions with ...
Einstein himself considered the introduction of the cosmological constant in his 1917 paper founding cosmology as a "blunder". [3] The theory of general relativity predicted an expanding or contracting universe, but Einstein wanted a static universe which is an unchanging three-dimensional sphere, like the surface of a three-dimensional ball in four dimensions.