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e. In theoretical physics, supergravity (supergravity theory; SUGRA for short) is a modern field theory that combines the principles of supersymmetry and general relativity; this is in contrast to non-gravitational supersymmetric theories such as the Minimal Supersymmetric Standard Model. Supergravity is the gauge theory of local supersymmetry.
The Feldman–Mahalanobis model is a Marxist model of economic development, created independently by Soviet economist Grigory Feldman in 1928 [1] and Indian statistician Prasanta Chandra Mahalanobis in 1953. [2] Mahalanobis became essentially the key economist of India 's Second Five Year Plan, becoming subject to much of India's most dramatic ...
The Encyclopædia Britannica Eleventh Edition (1910–1911) is a 29-volume reference work, an edition of the real Encyclopædia Britannica. It was developed during the encyclopaedia's transition from a British to an American publication. Some of its articles were written by the best-known scholars of the time.
The midbrain or mesencephalon is the rostral -most portion of the brainstem [ 2 ] connecting the diencephalon and cerebrum with the pons. [ 3 ] It consists of the cerebral peduncles, tegmentum, and tectum. It is functionally associated with vision, hearing, motor control, sleep and wakefulness, arousal (alertness), and temperature regulation.
According to 9/11 Commission staff statement No. 17 [1] there were several communications failures at the federal government level during and after the 9/11 attacks. Perhaps the most serious occurred in an "Air Threat Conference Call" initiated by the National Military Command Center (NMCC) after two planes had crashed into the World Trade Center, but shortly before The Pentagon was hit.
Planning of the September 11 attacks. On the morning of September 11, 2001, 19 al-Qaeda terrorists hijacked four commercial passenger jet airliners, intentionally crashing two into the World Trade Center in New York City. The hijackers crashed a third airliner into the Pentagon. The fourth plane crashed in a field near Shanksville, Pennsylvania.
Lindsay Schnell, USA TODAY. September 18, 2024 at 5:31 PM. PORTLAND, Ore. — The commitment to build a practice facility and the promise to prioritize player welfare, plus a bunch of data points ...
The Einsteinhaus on the Kramgasse in Bern, Einstein's residence at the time. Most of the papers were written in his apartment on the first floor above the street level. At the time the papers were written, Einstein did not have easy access to a complete set of scientific reference materials, although he did regularly read and contribute reviews to Annalen der Physik.