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1 day ago · Diabetes mellitus, often known simply as diabetes, is a group of common endocrine diseases characterized by sustained high blood sugar levels. [10] [11] Diabetes is due to either the pancreas not producing enough insulin, or the cells of the body becoming unresponsive to the hormone's effects. [12] Classic symptoms include thirst, polyuria ...
1 day ago · In other words: A quaternion squares to −1 if and only if it is a vector quaternion with norm 1. By definition, the set of all such vectors forms the unit sphere. Only negative real quaternions have infinitely many square roots. All others have just two (or one in the case of 0). [citation needed] As a union of complex planes
1 day ago · These measurements need to determine the distance of the target stars or galaxies first. Uncertainties in the physical assumptions used to determine these distances have caused varying estimates of the Hubble constant. More recently, scientists use CMB measurements (such as Planck's data) to determine the Hubble constant. The challenge of using ...
1 day ago · The Washington Monument is a hollow Egyptian -style stone obelisk with a 500-foot-tall (152.4 m) column surmounted by a 55-foot-tall (16.8 m) pyramidion. Its walls are 15 feet (4.6 m) thick at its base and 11⁄2 feet (0.46 m) thick at their top.
1 day ago · t. e. In physics, the special theory of relativity, or special relativity for short, is a scientific theory of the relationship between space and time. In Albert Einstein 's 1905 treatment, the theory is presented as being based on just two postulates: [p 1] [1] [2] The laws of physics are invariant (identical) in all inertial frames of ...
1 day ago · The sublime meaning of the word yajna is derived from the Sanskrit verb yaj, which has a three-fold meaning of worship of deities (devapujana), unity (saògatikaraña), and charity (dána). An essential element was the sacrificial fire – the divine Agni – into which oblations were poured, as everything offered into the fire was believed to reach God.
