Arquitectura

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XIII_HUMANIDADES La mujer en la Ingenieria y la arquitectura

LOGROS DE LA MUJER EN LA INGENIERÍA
Y LA ARQUITECTURA
Mercedes del Río
Doctora Arquitecta. Directora de la EU de Arquitectura Técnica. UPM

12/11/2008

Video Producido por el Gabinete de Tele-Educación de la Universidad Politécnica de Madrid.

Filed under: Arquitectura,Ciencia,Ingenieria,Science,Technology,Tecnologia,Universidad | | Arquitectura, Ciencia, Ingenieria, Science, Technology, Tecnologia, Universidad, Universidad Politécnica de Madrid|No Comments

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Portrait of a Doomed Asteroid

A new study provides a possible explanation of mysterious X-ray flares detected by the Chandra K-ray Observatory for several years in the region of Sagittarius A*, or Sgr A*. The study suggests a cloud around Sgr A*, a supermassive black hole at the center of our Milky Way Galaxy, which contains hundreds of trillions of asteroids and comets that have been stripped from their parent stars. The flares occur when asteroids of six miles or larger in radius are consumed by the black hole. An asteroid that undergoes a close encounter with another object, such as a star or planet, can be thrown into an orbit headed towards Sgr A*. If the asteroid passes within about 100 million miles of the black hole, roughly the distance between the Earth and the sun, it is torn into pieces by the tidal forces from the black hole. These fragments would then be vaporized by friction as they pass through the hot, thin gas flowing onto Sgr A*, similar to a meteor heating up and glowing as it falls through Earth's atmosphere. A flare is produced and eventually the remains of the asteroid are swallowed by the black hole. Image Credit: Illustrations: NASA/CXC/M.Weiss
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1st report from the LHC performance workshop
Yesterday, 6 February, the LHC Performance workshop 2012 kicked off in a very chilly Chamonix (-12 degrees C in town at midday, nearer -30 on the top of Les Grand Montets). The first day was devoted to a critical review of 2011. 2011 was a ... […]
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Encuentro de transferencia tecnológica en detectores sensibles de posición de estado sólido
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XIII_HUMANIDADES La mujer en la Ingenieria y la arquitectura

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