WebThe observable universe is a ball-shaped region of the universe comprising all matter that can be observed from Earth or its space-based telescopes and exploratory probes at the present time, because the electromagnetic radiation from these objects has had time to reach the Solar System and Earth since the beginning of the cosmological …

WebBeginning in May 1968, a period of civil unrest occurred throughout France, lasting some seven weeks and punctuated by demonstrations, general strikes, as well as the occupation of universities and factories.At the height of events, which have since become known as May 68, the economy of France came to a halt. The protests reached such a point that …

WebIn linguistic typology, ergative–absolutive alignment is a type of morphosyntactic alignment in which the single argument ("subject") of an intransitive verb behaves like the object of a transitive verb, and differently from the agent of a transitive verb. Examples are Basque, Georgian, Mayan, Tibetan, certain Indo-European languages (such as the Kurdish …

WebDenavit–Hartenberg convention. A commonly used convention for selecting frames of reference in robotics applications is the Denavit and Hartenberg (D–H) convention which was introduced by Jacques Denavit and Richard S. Hartenberg.In this convention, coordinate frames are attached to the joints between two links such that one …

WebTrinitite, also known as atomsite or Alamogordo glass, is the glassy residue left on the desert floor after the plutonium-based Trinity nuclear bomb test on July 16, 1945, near Alamogordo, New Mexico.The glass is primarily composed of arkosic sand composed of quartz grains and feldspar (both microcline and smaller amount of plagioclase with small …

WebPersian (/ ˈ p ɜːr ʒ ən,-ʃ ən /), also known by its endonym Farsi (فارسی, Fārsī, [fɒːɾˈsiː] ()), is a Western Iranian language belonging to the Iranian branch of the Indo-Iranian subdivision of the Indo-European languages.Persian is a pluricentric language predominantly spoken and used officially within Iran, Afghanistan, and Tajikistan in three mutually intelligible ...

WebRole in health and disease In genetic disorders. Many genetic disorders involve hereditary defects in receptor genes. Often, it is hard to determine whether the receptor is nonfunctional or the hormone is produced at decreased level; this gives rise to the "pseudo-hypo-" group of endocrine disorders, where there appears to be a decreased hormonal …

WebAlderfer's ERG Theory. Clayton Paul Alderfer (September 1, 1940 - October 30, 2015) was an American psychologist and consultant known for further developing Maslow's hierarchy of needs. Biography. Born in Sellersville, Pennsylvania, Alderfer …

WebHealth physics, also referred to as the science of radiation protection, is the profession devoted to protecting people and their environment from potential radiation hazards, while making it possible to enjoy the beneficial uses of radiation. Health physicists normally require a four-year bachelor’s degree and qualifying experience that demonstrates a professional …

WebIn linguistics, a yes–no question, also known as a binary question, a polar question, or a general question is a question whose expected answer is one of two choices, one that provides an affirmative answer to the question versus one that provides a negative answer to the question. Typically, in English, the choices are either "yes" or "no".Yes–no …