Sunday, February 1, 2015

Amazon's Cheap Tablets are Even Cheaper Today

Amazon's Cheap Tablets are Even Cheaper Today


Amazon's Fire tablets have been surprisingly well-received given their bargain basement prices, and several of the most popular models are getting their first discounts since the holiday shopping season today.


Kindle Fire HD 6 ($84) | Amazon | $15 off


Kindle Fire HD 7 ($114) | Amazon | $25 off


Kindle Fire HD Kids Edition ($134) | Amazon | $15 off


Kindle Fire HDX 7" ($179) | Amazon | $20 off




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— Kinja Deals (@KinjaDeals) June 9, 2014





from Gizmodo http://deals.kinja.com/amazons-cheap-tablets-are-even-cheaper-today-1683121074

Read Roald Dahl's Powerful Pro-Vaccination Letter (From 1988)

Read Roald Dahl's Powerful Pro-Vaccination Letter (From 1988)


Roald Dahl – author of such books as Charlie and the Chocolate Factory, James and the Giant Peach, and Matilda – lost his eldest daughter, Olivia, to measles in 1962. Twenty-six years later, he penned a cogent and gut-wrenching plea to parents, urging them have their children vaccinated against the disease.


In light of measles' recent resurgence in the United States, Dahl's take on the seriousness of the disease, the importance of immunization, and the inanity of refusing to vaccinate "out of obstinacy or ignorance or fear," is as relevant today as it was when it appeared, in 1988, in a pamphlet published by the Sandwell Health Authority.



Measles: A Dangerous Illness


Olivia, my eldest daughter, caught measles when she was seven years old. As the illness took its usual course I can remember reading to her often in bed and not feeling particularly alarmed about it. Then one morning, when she was well on the road to recovery, I was sitting on her bed showing her how to fashion little animals out of coloured pipe-cleaners, and when it came to her turn to make one herself, I noticed that her fingers and her mind were not working together and she couldn't do anything.


"Are you feeling all right?" I asked her.


"I feel all sleepy," she said.


In an hour, she was unconscious. In twelve hours she was dead.


The measles had turned into a terrible thing called measles encephalitis and there was nothing the doctors could do to save her. That was twenty-four years ago in 1962, but even now, if a child with measles happens to develop the same deadly reaction from measles as Olivia did, there would still be nothing the doctors could do to help her.


On the other hand, there is today something that parents can do to make sure that this sort of tragedy does not happen to a child of theirs. They can insist that their child is immunised against measles. I was unable to do that for Olivia in 1962 because in those days a reliable measles vaccine had not been discovered. Today a good and safe vaccine is available to every family and all you have to do is to ask your doctor to administer it.


It is not yet generally accepted that measles can be a dangerous illness. Believe me, it is. In my opinion parents who now refuse to have their children immunised are putting the lives of those children at risk. In America, where measles immunisation is compulsory, measles like smallpox, has been virtually wiped out.


Here in Britain, because so many parents refuse, either out of obstinacy or ignorance or fear, to allow their children to be immunised, we still have a hundred thousand cases of measles every year. Out of those, more than 10,000 will suffer side effects of one kind or another. At least 10,000 will develop ear or chest infections. About 20 will die.


LET THAT SINK IN.


Every year around 20 children will die in Britain from measles.


So what about the risks that your children will run from being immunised?


They are almost non-existent. Listen to this. In a district of around 300,000 people, there will be only one child every 250 years who will develop serious side effects from measles immunisation! That is about a million to one chance. I should think there would be more chance of your child choking to death on a chocolate bar than of becoming seriously ill from a measles immunisation.


So what on earth are you worrying about? It really is almost a crime to allow your child to go unimmunised.


The ideal time to have it done is at 13 months, but it is never too late. All school-children who have not yet had a measles immunisation should beg their parents to arrange for them to have one as soon as possible.


Incidentally, I dedicated two of my books to Olivia, the first was 'James and the Giant Peach'. That was when she was still alive. The second was 'The BFG', dedicated to her memory after she had died from measles. You will see her name at the beginning of each of these books. And I know how happy she would be if only she could know that her death had helped to save a good deal of illness and death among other children.



Dahl's letter remains eerily appropriate today, in light of the ongoing and expanding measles outbreak centered in California. More than 100 cases have now been confirmed in 14 states across the U.S., including Arizona, Colorado, Illinois, Minnesota, Michigan, Nebraska, New York, Oregon, Pennsylvania, South Dakota, Texas, Utah and Washington state. According to the latest figures from the California Department of Public Health, at least 91 of the cases are in California, 58 of which have been linked to the outbreak that began in Disneyland last month. The degree and scale of this outbreak (in the past thirty days, California has seen more confirmed measles cases than it typically sees in a year) has been pinned to the obstinacy, ignorance, and fear of those who would refuse their children, and anyone else unable to vaccinate for legitimate medical reasons, the protection immunization affords.


"It is not yet generally accepted that measles can be a dangerous illness," Dahl wrote in 1988.In 2015, many people still fail to fully recognize the dangers posed by measles, a grave and wildly contagious viral infection. Experts suspect many of us cannot appreciate the severity of a measles infection, because we have not lived through an epidemic; but the symptoms of measles – an airborne virus that Stephen Cochi, senior adviser with the CDC's global immunization division, calls "probably the most contagious infectious disease known to mankind"are as serious as they are ghastly to behold.


Measles is a dangerous illness. It's also preventable, thanks to a safe, affordable, highly effective vaccine. Epidemiologists know this. The CDC knows this. The World Health Organization knows this. The White House knows this. And, though he sadly did so more keenly and more personally than most Americans ever will, Roald Dahl knew this – just as any clear-headed person alive today knows it.


The Guardian, in its November 1990 obituary for Dahl, called the beloved author "a children's champion." Certainly, the sprightly genius behind such books as Charlie and the Chocolate Factory, James and the Giant Peach, Matilda, Fantastic Mr Fox, and The BFG had more than earned the title. But the designation is so meaningfully augmented by Dahl's outspoken support of child vaccinations, and his condemnation of those who would ignore its benefits for reasons senseless and unfounded.


Fifty years ago, there was a good and safe measles vaccine available to every family, and all you had to do was ask for it. In 1988, there was a good and safe measles vaccine available to every family, and all you had to do was ask for it. And today, there is a good and safe measles vaccine available to every family.


All you have to do is ask for it.


Correction: This post originally stated Dahl's pro-vaccination piece was published in 1986. It was published by the Sandwell Health Authority in 1988.


[Daily Kos via Deborah Blum]






from Gizmodo http://io9.com/read-roald-dahls-heart-rending-endorsement-of-measles-v-1682995322

Why the Virtual Reality Vision of the 90s Failed

Why the Virtual Reality Vision of the 90s Failed


Welcome to Reading List, a collection of cool tech and science reads from around the web.


You'll find nothing about football and/or football commercials here. Think of it as a safe haven from all the Grid Iron madness, so take some time and enjoy amazing long form and analysis from our friends at Motherboard, The Atlantic, Medium, and Kill Screen. You'll be glad you did...unless you really like Katy Perry, then maybe not.




Hipster Runoff was a music blog that captivated audiences and critics since its inception in 2007. Until recently, the creative powerhouse behind Hipster Runoff remained a complete secret, but after selling off the blog, the author bares all to Motherboard (via Gchat) as the story takes a closer look at what made Hipster Runoff such a memorable corner of the internet. [Motherboard]


A daughter deals with the death of her "old school techie" father and how it can be difficult to execute a will in the digital age. The writer narrates as she travels through a labyrinth of old online accounts, broken laptops, and automated fire alarm systems in order to digitally lay her father to rest. [Medium]


Carl Sagan once said that you have to know the past to understand the present. In technology, that may seem impossible—things are usually following the steady march of progress after all—but the modern day battle for Net Neutrality isn't the first of its kind. In fact, it has a lot in common with the 1940s and radio freedom. [The Atlantic]


Virtual reality is everywhere, and if the explosion of VR films and games is an indicator, it's here to stay, but it's not the first time VR has tried to enter the mainstream. Kill Screen looks into virtual reality's short-lived life in the 90s and where the tech went wrong. [Kill Screen]


GIF from ABC Primetime Report (1991)






from Gizmodo http://gizmodo.com/why-the-virtual-reality-vision-of-the-90s-failed-1683117278

This Video Lets You Travel at the Speed of Light (Sort Of)


Riding Light is a 45-minute short film/animation that attempts to recreate what it would be like to hitch a ride on the back of a photon and travel from the core of the sun to beyond the orbit of Jupiter. Be prepared to feel completely insignificant.


All of humanity has a close up in the video for, oh, about 3 seconds, until the photon blasts past the moon's orbit and onto Mars. The upper left corner keeps track of distance traveled and time elapsed since you've been vomited from the sun's core and the upper right has a handy countdown to your next planetary encounter. So you can skip to the brief flybys if you don't have 45 minutes to dedicate to a quick trot through out solar system. None of this is visually based in science, such as how we would even perceive light if we were traveling at the same speed, but the film does use accurate distances and speeds to convey how utterly massive our solar system really is.


This romp through space was pieced together by animator Alphonse Swinehart, who came up with the idea after poring over astronomy books. I can't decide if I'm more in awe at the fact that the speed of light can actually feel slow or just depressed after realizing that honestly everything we do on this mud ball planet is completely pointless and space is an endless vacuum of swirling galaxies ready to swallow us whole.


But hey, the Super Bowl should be fun! [Vimeo/Alphonse Swinehart]






from Gizmodo http://gizmodo.com/this-video-lets-you-travel-at-the-speed-of-light-sort-1683107013

Hands on with Microsoft’s new Outlook for iOS

Microsoft quietly released Outlook for Mobile this week. It was a little weird as there were no leaks or even a hint at last week’s Window’s event. While I haven’t been overly happy with Outlook on my Mac, I like it on Windows. Exchange and Outlook […]

Hands on with Microsoft’s new Outlook for iOS originally published by Gigaom, © copyright 2015.


Continue reading…






from Gigaom https://gigaom.com/2015/02/01/hands-on-with-microsofts-new-outlook-for-ios/

蚂蚁金服秘密开发炒股软件

阿里的余额宝作为开山鼻祖,深刻地影响了现金管理市场,随后从个人消费贷款产品花呗到个人征信产品芝麻信用,阿里小微金融服务集团蚂蚁金服正在加速拓展金融领域版图。北京商报记者近日独家获悉,支付宝正在秘密开发炒股软件,预计会在春节后上线。 蚂蚁金服密谋上线炒....



from 科技要闻-新浪科技 http://go.rss.sina.com.cn/redirect.php?url=http://tech.sina.com.cn/i/2015-02-02/01199991747.shtml

国内开发者对HoloLens有什么期待?

微软在Win 10发布会上推出的HoloLens就像两年前Google IO上的Glass一样:开完会后老外说“Amazing”,国人说这玩意“超越时代”。不同点在于两年前,我们说到Google Glass,我们说的是智能眼镜,而现在讲起Hololens我们聊的是AR、光学和三维视觉。在过去两年时间里,国内外媒体把Google Glass由内到外,从技术到隐私、从前景到困难,未必系统但十分全面地扒了数遍。


以上,不少的国内团队认为这是两年多来Google Glass对AR最大的贡献。


国内的AR圈子


早在HoloLens出现十几年前,国内早有团队在做AR。早期AR大致是通过摄像头识别一些固定模式的图像(比如二维码),然后在屏幕上显示增强后的效果。这种朴素的增强现实方式输入和输出都比较固定。



在Google Glass出来后的第一年和第二年,国内不少的团队开始研究类似的See Through设备,也就是我们常说的智能眼镜(关于这部分可以参见雷锋网2014下半年出品的《中国智能眼镜白皮书》)。


See Through的智能眼镜试图随时随地地增强信息,但实际在类Google Glass的设备上,虚拟图像和现实融合得并不好。比如Google Glass更多时候只是一块近眼可交互的屏幕,跟环境没有太大关系。


致力给VR和AR开发交互设备的Ximmerse联合创始人贺杰评价HoloLens是“第一款真·AR设备”。雷锋网早前报道过的Depth VR创始人李今则认为,HoloLens绝大部分的单一组件,如See Through的弧面显示,全息的内容制作工具HoloStudio,可能都需要一个至少中型的团队来开发。


HoloLens解决的3个问题


如果要达到Win 10发布会上Alex Kipman所展示的效果,HoloLens至少已经解决了3个问题:



1. 对空间的感知。官方视频中有一段,用户戴着HoloLens扫视周围,一幅房屋的模型就精确地落在了茶几和沙发上,也就是虚拟信息和现实世界完美拼在了一起。这是HoloLens和Google Glass最大的区别。


而关于HoloLens空间感知的实现,各路说法不一,一说为结构光的三维测量,另一说为红外光景深相机,类似Kinect。


2. 高强计算能力的小型化。HoloLens是一个独立设备,它最大的负荷在双目的景深图案采集和全息画面的实时渲染。作为参照,业内人士告诉我们Intel的3D摄像头RealSense采用自家专门定制的处理器,但在处理景深时CPU的占用率基本都在一半以上。


3. 输入和交互方式。HoloLens的摄像头同时完成两件事:一件是对环境的识别,另一件是对手势交互的识别(并且是徒手的精确识别)。后一点恐怕是非常高的考验,纽约时报的记者Farhad Manjoo在体验HoloLens样机时表示,手势操控很不准确,难以做出想要的操作。


同时,徒手的手势识别还面临一些其他的问题,比如当视野内出现两双手时如何判断。



关于HoloLens的实际完成度,无论是国内还是国外目前都没有公开的样机,只有少数媒体在“严格的限制条件”下体验了微软的产品,我们无法知道HoloLens真的戴在眼前是什么感受。


但关于开发者版和量产,几支国内团队对这个时点的判断至少在半年以上,甚至有团队认为会是4-5年。


做“大而全”和“小而精”


其实在任何领域做产品都会面临做大而全还是小而精的问题,但AR和VR的特例在于国内这一领域的团队几乎都是清一色的小创业公司。如文章开头李今提到的,HoloLens分解开的任何一个单项工程(如光学、处理器)都是巨型工程。所以目前AR上有很多小公司在做很有意思的“单项工程”。



广州的Ximmerse在做一套介于Nimble VR和Razer Hydra之间的输入设备。Ximmerse带有双目的红外摄像头作手势和环境跟踪,配套的手套中植入及速度传感器和光源信标,另外还配合一枚类似Hydra的控制器。Ximmerse的联合创始人贺杰说他们只做输入设备。


北京李今的团队则在去年完成了一款能够追踪视角的3D显示器,之后他们还开发了基于图像识别做空间定位的软件算法,现在他们在做一款能够追踪头部的虚拟现实手机眼镜盒。但总得来说,他们核心在空间定位和追踪。


像Ximmerse和Depth VR一样在AR领域(同样可以应用在VR)主攻单项技术突破的公司还有很多,比如去年在KS上筹了50多万美金的诺亦腾。这些公司团队精细,专注一个细分领域,同时在AR变成消费级之前能取得尚可的现金流,是国内AR/VR里跑得快的一支。






from 雷锋网 http://www.leiphone.com/news/201502/nSG48Oz2ujBwRzhS.html