Popular Science

Monday, October 3, 2011

Bug Comme drones robotisés Devenir Plus Bug-Like, aux yeux exorbités et Tiny, les poils de détection

Micro véhicules aériens, ou MAV, faire une option alléchante pour les agences de renseignement et de surveillance qui cherchent à recueillir des informations subrepticement ou de livrer des dispositifs de surveillance sans être vu. Mais MAV - généralement calquée petits oiseaux ou des insectes - sont notoirement instables en vol et difficile à manœuvrer dans des environnements encombrés. Ainsi, le Pentagone est à distribuer des contrats de recherche pour rendre le DoD petits bogues robotiques plus stable en les rendant plus bug-like. Plus précisément, le DoD veut de grands yeux exorbités et bug ailes poilues pour sa MAV.

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Le principal problème avec MAV a à voir avec la façon dont ils réagissent (ou ne répondent pas) à des environnements dynamiques - des choses comme déplacer ou rafales des vents, corps en mouvement, et d'autres variables qui doivent être comptabilisées en temps réel. MAV sont minuscules, donc il n'y a pas beaucoup d'espace pour les actifs informatiques ou de charges utiles du capteur, et cela mène à une sorte de problème insoluble: comment peut-ingénieurs font ces choses plus petites et plus capable, tout en ajoutant une sensibilisation accrue de la situation et de mieux en vol de traitement ?

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Lorsque confrontés à un problème difficile comme celle-ci une petite biomimétisme ne blesse jamais, et c'est exactement là où le Pentagone est à la recherche de ses récents contrats. Si deux allocations de recherche a récemment rendu sont une indication, la micro-drones du futur peut-être de minuscules poils ressemblant à des capteurs sur tout leur corps et de grands yeux composés.

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Les poils des cils semblables serviront à maintenir les drones en vol stationnaire et vol stable en détectant les changements dans les flux d'air à la moindre niveau. Cela signifie que le drone pouvait sentir une rafale de vent arrive juste avant qu'il arrive, lui permettant de compenser le changement de circonstances. Il serait également une aide dans le maintien de la stabilité globale au cours du vol, comme le processeur central de MAV posséderait une conscience constante de - et la capacité à manipuler - le débit de la couche limite d'air entourant le drone comme il plane et les mouches.

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Le bug comme des yeux composés seraient également aider MAVs naviguer dans des espaces encombrés en augmentant la quantité de données visuelles disponibles pour les processeurs les drones. Un mini-ordinateur de bord serait de traiter les images en temps réel, en utilisant ces repères visuels pour éviter automatiquement les obstacles et de naviguer proprement et efficacement.

Vidéo: Nanorockets pourrait fournir la drogue dans le corps

Pour la première fois, les chercheurs utilisent un interféromètre atomique pour mesurer l'accélération Aircraft

Interféromètres atomiques sont propres petits appareils qui exploitent les caractères d'onde d'atomes pour faire des mesures très précises des choses comme la distance et ou la force de gravité. Mais parce qu'ils sont inconstants par nature - même les plus petites vibrations fausser leurs résultats - interféromètres atomiques ont été essentiellement limitées à des expériences très contrôlées qui ont lieu soit dans des laboratoires souterrains ou dans la chute libre Zero-G expériences. Mais une équipe de chercheurs français a annoncé aujourd'hui la première utilisation d'un interféromètre atomique pour mesurer l'accélération d'un avion.

Vidéo: AlphaDog DARPA se lève, Scrambles sur les rochers et Runs

Sunday, February 13, 2011

British Science Society

British Science Society (formerly BA), the community where people from all walks of life access to information on the development of understanding and commitment.

Our goal is to combine science with people: the promotion of transparency in science and society recognize the great power of science through participation in cultural life and encouragement for adults and young people directly to the science and technology and their effects.

Founded in 1831, the British Association science organization of important initiatives in the United Kingdom, including British Science Festival week, the Natural Sciences and Engineering, the balance of regional and local events as well as the full program youth in schools and universities.

The Association of British Science organization established by Royal Charter and regulated by the government to form a government. It is a charity registered by the Commission (number 212479) and the Office of the authority of the Scottish Charity (number SCO39236).

British Association of Science maintains a professional team of about 30 people at the office building national Welcome Wolfson, South Kensington, and 5 regional representatives in the United Kingdom. 16 Department of Science and the British Association, which promotes mainly the British Annual Science Festival, run by volunteers. This is the 30 or so branches have organized events and activities in England.

CEO message

Since its launch in January 2009 at the British Association for Science and the reaction from fans of other organizations have been very positive. Everyone is quick to adopt and approve the name change and many of us welcome the new identity.

From the moment we decided by the British Association of Science, a new name, we chose to avoid abbreviations or initials. Indeed, the experience of the confusion caused by the old name, and because the Working total area acronyms and abbreviations. many of them vague and confusing for the layman (although we recognize that the use of the time myself!).

Since clear communication is the key to our mission and we are trying to reach the widest audience possible, always insist that we speak of the British Association of Science - a unit.

British Science Association, registered charity No. SCO39236, 479 and 212.

Wednesday, November 17, 2010

Surface Engineering Development

Surface engineering development charismaticalli are very friendly and the critique of modern society. Several examples of this type of surface engineering applications in commercial art, design, color, painting, engineering inside the house.

The main area of practice described in Science incarving various objects on the surface, like a tattoo, and have many other projects are often seen on the surface of the body. The increasing trend of such practices in society, especially among younger generations, to the conclusion that surface engineering is a source of joy and satisfaction.

Useful Links:
http://acm.groups.msoe.edu/forum/index.php?action=profile;u=5017;sa=summary
http://access4all.ewu.edu/forum/index.php?action=profile;u=5441;sa=summary
https://php.radford.edu/~ejderrick/smf/index.php?action=profile;u=1917;sa=summary
http://lincolnchristian.edu/forum/index.php?action=profile;u=36;sa=summary
http://www.andrews.edu/~storie/forum/index.php?action=profile;u=4732;sa=summary

There are probably many factors in the popularization of science areas. The number one factor is that the best parts of most and are freely available either from the human body, or access to natural resources, and without any pretreatment rekuist. The desired design can be applied.

The number two is that the surfaces are visible, both you and the recipient of science or outer surface of the protected objects.

Therefore, an investment in these activities account for the rapid and visible. Therefore, these factors contribute to other inventions, such as counters vision econoburette survismeter Man Singh.

This is very useful for raw materials from the University of surface micro approach to green chemistry. But the tattoos, and similar to human skin, a side effect retire, saying the action mechansim very biocompatible.

Even those aspects of space science, the skin has its own dynamic equilibrium between the outer surface of the skin and keeps the skin from the inside.

It is a natural process, but when the additional tax paid on the skin surface that maybe some of thermodynamics, which will affect physicians and skin specialists, etc analyze

You can design a biothermodinamics interest in implementing and evaluating its significance in relation to the events in tattoos and the like. Maybe some sections to give satisfaction to dominate the surface engineering of human events.