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September 14 2013

Le Japon renforce ses positions dans la conquête de l'espace ou plutôt dans le marché des…

Le #Japon renforce ses positions dans la conquête de l’espace ou plutôt dans le #marché des #lanceurs_spatiaux :

Objectif rempli pour la nouvelle fusée japonaise Epsilon qui a placé en orbite un #satellite-télescope. Cet engin de petit gabarit – de 24 mètres de haut pour une masse de 91 tonnes – à propergol solide doit inaugurer une nouvelle ère des lancements bon marché.

http://www.lemonde.fr/japon/article/2013/09/14/premiere-mission-reussie-pour-la-fusee-japonaise-epsilon_3477579_1492975.htm

#sciences

August 23 2013

Recherche en France : La réalité rattrappe la fiction Halb Kuh, halb Maschine | Technology Review

Recherche en France : La réalité rattrappe la fiction

Halb Kuh, halb Maschine | Technology Review
http://www.heise.de/tr/artikel/Halb-Kuh-halb-Maschine-1874532.html
http://upload.wikimedia.org/wikipedia/en/9/93/Crank_two_ver2.jpg

Ein französisches Unternehmen hat ein Kunstherz entwickelt, das im Vergleich zu bisherigen Apparaten bioverträglicher ist und ohne eine pneumatische Steuereinheit außerhalb des Körpers auskommt.
...
Außerhalb des Körpers befindet sich nur noch die tragbare Stromversorgung, die über ein Kabel mit dem Herz verbunden ist. Das Kunstherz von Carmat entstand in Zusammenarbeit mit dem europäischen Luftfahrt- und Rüstungskonzern EADS und dem Chirurgen Alain Carpentier. Er hatte vor Jahren maßgeblich die Herzklappen-Chirurgie entwickelt.

William Cohn, Herzchirurg an der Texas Heart Institution in Houston, ist von dem Kunstherz beeindruckt: „Es ist ein brillantes Gerät.“ Er mache sich aber noch über dessen Größe und mechanische Haltbarkeit Gedanken. Bei 100.000 Herzschlägen pro Tag hielten heutige Kunstherzen nur ein paar Jahre, sagt Cohn. Je mehr bewegliche Teile sie enthalten, desto größer ist die Gefahr, dass sie irgendwann versagen.

http://en.wikipedia.org/wiki/Crank:_High_Voltage

On November 7, 2005, Chev Chelios (Jason Statham) lands in the middle of an intersection after falling out of a helicopter. He is scooped off the street via snow shovel by a group of Chinese medics and removed from the scene. Chelios wakes up in a makeshift hospital and sees doctors removing his heart while Johnny Vang (Art Hsu) watches. The doctors place Chelios’s heart in a white cooler with a padlock, and place a clear plastic artificial heart in his chest. He wakes up three months later and escapes. He notices a yellow battery pack is attached to him and sets out to find his heart. After a gunfight and interrogation of a thug, he learns the location of Johnny Vang: the Cypress Social Club.
...

#cinema #medicine #science_fiction #sciences

July 29 2013

Why Are Some People So Smart ? The Answer Could Spawn a Generation of Superbabies - Wired Science

Why Are Some People So Smart? The Answer Could Spawn a Generation of Superbabies - Wired Science
http://www.wired.com/wiredscience/2013/07/genetics-of-iq

Zhao’s goal is to use those machines to examine the genetic underpinnings of genius like his own. He wants nothing less than to crack the code for intelligence by studying the genomes of thousands of prodigies, not just from China but around the world. He and his collaborators, a transnational group of intelligence researchers, fully expect they will succeed in identifying a genetic basis for IQ.

They also expect that within a decade their research will be used to screen embryos during in vitro fertilization, boosting the IQ of unborn children by up to 20 points.
...
In theory, that’s the difference between a kid who struggles through high school and one who sails into college.But studies make it clear that IQ is strongly correlated with the ability to solve all sorts of abstract problems, whether they involve language, math, or visual patterns.

The frightening upshot is that IQ remains by far the most powerful predictor of the life outcomes that people care most about in the modern world. Tell me your IQ and I can make a decently accurate prediction of your occupational attainment, how many kids you’ll have, your chances of being arrested for a crime, even how long you’ll live.

#chine #sciences #genetique #selection

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