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Saturday 20 April 2013

La nebulosa Cabeza de Caballo en el infrarrojo, regalo de cumpleaños del Hubble

Imagen del 23 aniversario del Hubble

La nebulosa Cabeza de Caballo en el infrarrojo, arriba, y en luz visible, abajo - NASA, ESA, and the Hubble Heritage Team (AURA/STScI); ESO


Todos los años, para celebrar el cumpleaños del Hubble, la ESO y la NASA publican una imagen especial, aunque en realidad este telescopio nos asombra cada día.


La de este año, que marca el 23 cumpleaños del telescopio, es una imagen de la Nebulosa Cabeza de Caballo tomada en el infrarrojo extremo por la Cámara de Gran Angular 3: Hubble Sees a Horsehead of a Different Color .


Es una imagen distinta de esta conocida nebulosa porque lo habitual es verla a contraluz gracias a que tapa la luz que viene de la nebulosa de emisión IC 434.


Es, además, una imagen imposible de conseguir desde tierra, ya que nuestra atmósfera es muy eficaz absorbiendo la radiación infrarroja.


En Horsehead Nebula - Hubble Heritage hay unas cuantas imágenes más de la nebulosa Cabeza de Caballo creadas por aficionados de todo el mundo.





# Enlace Permanente







via Microsiervos http://www.microsiervos.com/archivo/ciencia/nebulosa-cabeza-caballo-en-infrarrojo-regalo-cumpleanos-hubble.html

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¿Cuánto dan de si 5 dólares para comprar comida por el mundo adelante?




How Much Food Can You Buy For $5 Around The World? muestra en un vídeo lo que puedes comprar de distintos alimentos en varios países del mundo.


Claro que un matiz muy importante es el de cuanto tardarías en reunir esa cantidad de dinero en los países en cuestión.


(Vía The Huffington Post).


# Enlace Permanente







via Microsiervos http://www.microsiervos.com/archivo/mundoreal/cuanto-dan-de-si-5-dolares-para-comprar-comida-por-el-mundo-adelante.html

CERV, una bicicleta radicalmente diferente

Cannondale Cervgraphic-1


La bicicleta CERV de Cannondale es un diseño conceptual que está sobre el papel y el software 3-D pero que según sus creadores podría funcionar y supondría además una pequeña revolución sobre los modelos que acostumbramos a ver por las ciudades y carreteras.


Lo más interesante del diseño de Priority Designs para Cannondale, cuyo nombre se corresponde con las siglas de Continuosly Ergonomic Race Vehicle («Vehículo de Carreras Continuamente Ergonómico») es quizá lo que no tiene: no tiene horquilla ni tampoco cadena. Además de eso la dirección y el sillín se ajustan automáticamente en altura y posición, de modo que la bicicleta adopta la forma óptima tanto para el ascenso como para el descenso.


Cannondale Mechanism-1


Lo complicado de todos estos mecanismos es crearlos físicamente a partir de los bocetos: muchas veces lo que puede parecer una buena idea no es transformable en un modelo 3-D o en piezas que realmente se puedan fabricar – por no hablar de las cuestiones puramente mecánicas y de rendimiento una vez las piezas toman forma física. Así que sus diseñadores usaron un software denominado SolidWorks para comprobar cada uno de los componentes. A partir de ahí se construyó una versión basta de la bicicleta, en la que todavía se usaban una cadena y un manillar más o menos convencionales.


Para la última fase se delinearon con todo detalle los mecanismos completos, como el sistema «sin cadenas» que permite convertir la experiencia de montar en algo «poco grasiento». Para la creación del prototipo se utilizó software de diseño asistido (CAD) que detalla la forma de todas las piezas, así como las instrucciones para su fabricación. De ahí pasó a las máquinas de corte de metal, fibra y plásticos, que fueron luego montadas manualmente por los técnicos.


# Enlace Permanente







via Microsiervos http://www.microsiervos.com/archivo/mundoreal/cerv-cannondale-radicalmente-diferente.html

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Simplee Combines Mint.com And Paypal To Bring Medical Bill Payment, Management To Your Smartphone

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The mobile health market is growing like a weed these days. According to mHealthWatch and eHealth Initiative, there are 31,000 health and medical-related apps on the market today. In fact, over the last year, the number of health apps jumped 120 percent, and hundreds of apps now hit stores every month. Yet, in spite of this exponential growth, the mobile health space is still in its “Wild West” phase. In other words, it’s a work in progress.


As mHealthWatch points out, there’s a lot of noise in the mobile health market, and a lot of misleading information. So, while the potential is high, there’s not enough data yet to prove that these products act as advertised and actually provide real value.


Simplee, the startup that has been called the Mint.com for healthcare expenses, wants to buck the trend of over-promising and under-delivering in today’s mobile health market. Simplee first launched its medical wallet back in 2011 to help people better manage their healthcare financials — to track visits, monitor benefits and pay bills online, for example.


Considering how expensive healthcare can be, and what a pain in the ass it is to manage, people are eager to find any way to streamline the process and reduce costs — to their sanity and their wallet. By making this appeal to consumers, Simplee has been able to find some traction: Today, it processes millions of dollars in payments each month across “thousands of medical providers” and has managed $2 billion in medical bills since launch.


Earlier this year, the startup expanded its service, bringing a B2B-style payment and loyalty platform to hospitals to allow them to distribute digital bills, among other things. The idea being to offer hospitals a medical wallet that can, on the one hand, help them increase revenues, while making it easier to deliver new features and a better billing experience for patients on the other.


Last week, the startup took the next step in the evolution, extending its medical wallet to the point of service through a new mobile app that allows people to manage and pay all their family’s medical bills from their phone, while on the go. In so doing, Simplee’s vision has been to transition from simply being the Mint.com of healthcare to a sort of Mint.com-meets-PayPal, for healthcare, expanding its medical wallet and uniting it with SimpleePAY.


The new app allows users to view their medical history while in the doctor’s office or go back through billing history to see whether they’ve met their deductible, for example. They can also view a breakdown of insurance coverage and pay by credit, debit or FSA card.


Again, that’s all well and good, but when you consider the above fact — that many mobile health apps make big claims about convenience and the ability to improve users’ health in a significant way — it doesn’t mean much without supporting evidence. So, we asked Simplee to share a little bit more about how consumers are paying medical bills online and whether or not they’ve actually been able to increase payment performance among users, for instance.


While it’s still too early to say for mobile, as Simplee just launched its mobile app last week, the founders tell us that Simplee’s online medical wallet has been able to produce an increase in self-service payments of 17 percent, which has doubled in the last six months. Compared that to 1 to 3 percent — what the company says is the industry norm. They also expect mobile to play a critical role in driving self-service even higher, especially at the point-of-service (i.e. at the doctor’s office).


In addition, the company says that 90 percent of its users making multiple payments after making their first, and that 40 percent of its payments come from users who have upgraded to the full medical wallet experience, which means that they get an expanded billing view with deductible status, more stored payment methods and so on.


In other words, the founders believe that this is a demonstration of the fact that users prefer horizontal payments and that the consumer side of its business is feeding the B2B-side of its payment platform. The first step was to build an online medical wallet, the next was to build a connected provider payment platform, and the third has been to connect the two and offer both experiences via mobile at the point-of-service.


In a sense, it’s not much different from what Pageonce is attempting to do on the more general consumer-side of the mobile bill payment space. Simplee is taking that and applying it to healthcare, while attempting to provide a value-add for hospitals and healthcare providers.


It’s too early to tell whether or not Simplee can significantly expand its business through its new mobile experience, but, given that it’s already established some validation online, the founders have high hopes for mobile. It’s a smart play, and could have a big effect on the way people pay their medical bills, reducing the headache and complex, paper-based billing process that continues to prevail in healthcare.








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