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楼主:医苑生活 时间:2020年02月19日 12:10:11 点击:0 回复:0
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Its todays TechBytes, General Motors is looking to make driving safer and easier. The auto maker is developing technology that turns the entire windshield into a display to assist drivers in difficult conditions. The system relies on sensors and cameras inside and outside vehicles to pick up on things that driver might not see, for example, when its foggy, the cameras can identify where the edge of the road is and display that information on the windshield. GM does not expect this technology to be in cars though for several more years.欢迎收看今天的TechBytes。通用洗车正在努力使驾驶变得更安全,更便捷。通用汽车制造商正在研究一种技术,将整个挡风玻璃变成屏幕,以在恶劣环境中有效地辅助驾驶员了解地面状况。这种系统依靠车内外的传感器和摄像头将驾驶者可能有的死角一览无遗,例如,大雾时摄像机能够捕捉道路的边缘并在屏幕上显示。通用汽车期望这项发明能在几年后面世。Or you may not realize it, but your cell phone charger draws energy even when your phone is not plugged in. But ATamp;T says it has a solution to the problem. The zero charger automatically shuts down when not in use, so you never have to unplug it. ATamp;T will begin selling it in May for 30 dollars. 或许你发现了,只要手机电池不在充电状态就会消耗电量。但美国电话电报公司ATamp;T表示这个问题可以解决。零消耗电池将不在使用状态下的手机电源自动关闭,因此你不用每次动电源了。ATamp;T表示这种手机电池预计售价30美元。PayPal has a new iPhone app that gives you one more reason to leave your cash and checks at home. The app makes it easy to transfer money between friends to do things like split a restaurant bill, to send money to people can simply bump their phones together or users can choose someone from their contact list. Users can also request money or manage their account with the software. The app is free to download. 贝宝(全球最大的在线付平台,PayPal)出品的一款iPhone应用为你节省了不少。这款应用使转账更加便捷。你可以轻松和朋友AA制一顿大餐,汇款给朋友的手机账户,或是直接汇给联系人中的任何一位。用户还可以用这款软件要求对方付款或管理账户。这款应用可以免费下载。And finally a new way to go star-gazing without even going outside. Microsoft has added a new feature to Bing maps that allows users to see what the stars look like from any point on earth. The application is called the world wide telescope and it gives people a real time view of whats happening in space around the earth. It also maps out the planets, the solar system and anything not on earth. Users can just pinpoint what they are looking for and fly right to it.最后一则消息,足不出户也可以观测星迹。微软在必应地图上添加了新功能,用户在陆地上就可以看到头顶的星群。这款应用被称为“世界天文镜”,它使用户真正了解到世界各地正在发生的事,同时它还定位了宇宙中的星体,包括太阳系和一切地球以外的星体。用户只需点击想了解的星球,就能了解它一切了。For information and all these stories log on to the technology page of A news.com. Its your Techbytes, Im Jeremy Hubbard.想了解更多详情,请登录网站A news.com。这就是今天的Techbytes,感谢收看,我是Jeremy Hubbard。plug in 插上电源注:本篇文章英文来自普特论坛,译文属原创,,。201207/191793Prune skin on this Moment of Science At some time, weve all probably taken a long bath or been in the pool for a while, and then notice that parts of the palms of our hands and the bottoms of our feet became wrinkled. This Moment of Science answers two questions about this. Why does it happen? And why doesnt our whole body wrinkle like that?梅子干皮肤?对,我们这次的内容与皮肤有关。有时候,我们可能在浴池或泳池中的时间较长,然后,会发现手掌和脚底板的皮肤起了褶皱。本次内容将对这一现象做出科学的解释。为什么会发生这种情况?为什么我们的整个身体不会出现褶皱?The answer lies in the structure of our skin, and that is not the same all over. The outer layer of skin, the epidermis, on our palms and the soles of our feet is thicker than the skin on the rest of our body. When we soak in water, the epidermis all over our body absorb some water and swells. Because the skin on our palms and soles is thicker, it can absorb more water, and therefore, swells more.在于,我们身体各处的皮肤结构并非完全相同。手掌或足底的外层皮肤(真皮)要比身体其它部位的皮肤较厚一点。当浸泡在水中时,外层皮肤会吸收一些水,然后膨胀。因为手掌和足底的皮肤较厚,它吸收的水分更多,因此膨胀得也就越多。That seems simple enough. But why did ends our fingers and toes wrinkle like black prunes and not the rest of us? Most of our skins absorbs water and swells rather evenly, but there is something different about ends of our toes and fingers -- there is a nail on one side. The ends of the fingers and toes cant swell towards the nails, so the skin bunches up opposite nails on the palm side of our fingers and the sole side of our toes. This bunching up of the skin gives us the wrinkles, prune skin.道理似乎很简单了。但是,为什么手指和脚趾的末端褶皱得像黑色的梅子干,但其它部位则不会如此呢?原因在于,当皮肤吸收水分时,大部分会均匀地膨胀,但手指和脚趾的末端结构有点特殊:那里生长着指甲(趾甲)。当吸收水分时,手指和脚趾末端的皮肤无法向指甲(趾甲)的方向膨胀,因此,那儿皮肤就会缩成一团。结果,我们看到,指甲(趾甲位置的皮肤会皱起来,看起来就像梅子干一样。201202/171858

What Do Pupils Tell Us?The size of our pupils can give clues to our interest, emotions, attitudes, and thought processes.If you’ve seen a magician tell which card someone picked from a deck, you’ve probably been amazed. Well, the pupils often open up when the magician picks the right card,so one of the tricks they use is to look at the person’s eyes.The pupils tend to close in response to unpleasantness, and open in response to pleasure. For example, for those who find snakes loathsome, a picture of one will cause their pupils to close.For someone who likes snakes, the same picture will cause the pupils to open.The same thing happens to people with strong political preferences. A conservative’s pupils will close when shown a picture of a liberal.The liberal has the same reaction when shown a picture of a conservative. Their pupils open when looking at a picture of someone of their own persuasion. /201206/185224

Science and Technolgy科技Medical devices医疗设备Inhaling information有关吸入器的吸入信息How to collect data on asthma while, at the same time, treating it在处置哮喘的同时如何收集哮喘数据IN 1985 and 1986 an epidemic of asthma hit Barcelona. The citys researchers first turned to the usual suspects, such as air pollution, pollen and mould. But a series of telephone interviews with the sufferers pointed to a much more precise cause. All the attacks had occurred by the harbour, and at times when ships were unloading soya beans. The cause was clear: soya-bean dust. So was the solution: the installation of filters on the harbours silos.1985年和1986年巴塞罗那哮喘病流行。这个城市的研究人员首先调查了一般的怀疑对象,如空气污染、花粉和霉菌等。但从一连串对患者的电话随访中得出了一个更为确切原因。所有的哮喘发作都发生在港口,且都在货船卸大豆的时候。原因很清楚:大豆灰尘。所以解决办法就是:在港口的筒仓上安装过滤器。Asthma is one of the worlds most common chronic diseases. It affects about 300m people (almost 5% of the population). Yet what triggers any given asthma attack is often unclear and, as a consequence, most asthmatics are not properly treated. Stories of success, like that of Barcelona, are rare.哮喘是世界上最常见的慢性病之一。大约有3亿人(接近人口的5%)患有哮喘。然而,人们往往并不清楚是什么诱发了任何特定哮喘的发作,其结果,大多数哮喘患者得不到妥善处置。象巴塞罗那这样成功的故事是很罕见的。Part of the reason for that lack of clarity is inadequate data on where and when attacks happen. But David Van Sickle, an epidemiologist and medical anthropologist who once worked for Americas Centres for Disease Control and Prevention (CDC), has come up with a solution. This is to use the asthma inhalers carried around routinely by patients to record the time and location of symptoms as they happen.缺乏确切了解的部分原因在于对哮喘在何时何地发作没有足够的数据。但是曾在美国疾病控制和预防中心(CDC)工作过的流行病学家和医学人类学家大卫?凡?西科勒想出了一个解决方案。这个解决方案就是利用患者例行性随身携带的哮喘吸入器来记录他们的哮喘症状出现时的时间和位置。To develop his idea, Dr Van Sickle left CDC and founded a company, Asthmapolis, which is based in Madison, Wisconsin. The result is Spiroscout, an inhaler with a built-in Global Positioning System locator and (in advanced models) a wireless link to the internet. Whenever someone uses the inhaler, it broadcasts the location and time to a central computer. Asthmapolis plots and analyses the data, and sends weekly reports to participating patients and their doctors summarising the observations and making recommendations.为了开发他的想法,凡?西克尔士离开美国疾病控制和预防中心并成立了一家公司,公司名为Asthmapolis,总部设在威斯康星州的麦迪逊市。其结果就是一款名为肺量测定法侦察员的吸入器问世,这款吸入器带有内置的全球定位系统定位和(高级型)联到互联网的无线连接。每当有人使用吸入器时,吸入器就把位置和时间播报到中央计算机。Asthmapolis公司把播报来的数据绘制成图并加以分析,每周向参与播报的患者以及他们的医生发送报告,以便他们的医生总结观察并提出建议。That is useful for the individuals involved, since it may illuminate patterns of which they were unaware (the proximity of a particular kind of crop, for example). It could also help doctors identify those patients whose asthma is not under proper control. Use of the inhaler more than a couple of times a month suggests there is something wrong, and that the patients medication may need to be changed. Patients do not, however, always report such problems, and so do not get the right drugs. The big public gain, though, will come from pooling all the data from the inhalers, once they have been suitably anonymised. That will open the way for a much more detailed analysis of what is going on, and may allow the triggers to be identified and ranked in order of importance.这对有关个人很有用,因为它可以阐释未明的诱发哮喘模式(例如接近特定种类的农作物)。它还可以帮助医生确定那些哮喘无法适当控制的病人。每月使用吸入器超过了一两次的情况说明有问题存在,而病人的药物可能需要更换了。然而,如果患者一直不报告这种问题,那么就无法得到正确的药物。不过,最大公共收益将出自汇集所有吸入器播报的数据,这些数据从前被适当地隐藏了。这将开辟一种对发生的事情进行更详细分析的方法,而且也可能让哮喘的诱因得以识别并按照重要性的顺序加以排列。Over the past three years Dr Van Sickle has run two pilot studies to test the new tool. Both of these showed useful improvements in patients management and understanding of their disease. They have also resulted in him questioning some longstanding theories about asthma, including the ideas that symptoms occur primarily at home and that the affliction is more prevalent in urban areas than rural ones. If those insights are confirmed, they will change the way asthma is managed.过去三年来,凡?西克尔士已经完成了两次试点研究,以测试新的工具。两次试点研究都显示了对患者管理及疾病认识的有益改进。这两次试点研究也让凡?西克尔士质疑一些长期存在的哮喘理论,包括症状主要发生在家里以及在城市地区比农村地区感染更盛行这样的观念。如果这些质疑结果得到实,它们将改变控制哮喘的方法。The next step, commercialisation, is planned for the autumn. With nearly 500,000 asthma-related hospital admissions every year in America alone (often involving cases where the disease could have been properly controlled by drugs, but was not), the market could be large. Alternatively, Dr Van Sickles old friends at the CDC or some other medical-research agency might think the data sufficiently valuable to buy and distribute the things themselves. Either way, the upshot would be better lives for patients in the short term and, if all went well, a true understanding of the triggers of this debilitating and occasionally life-threatening condition.下一步的商业化计划在秋季进行。鉴于仅在美国每年就有近50万与哮喘有关的病人入院治疗(通常涉及的病例是该病可用药物进行适当的控制,但不是所有病例),市场可能很大。另外,在美国疾病控制和预防中心或其它医疗研究机构工作的凡?西克尔士的老朋友们可能会觉得这些数据有足够的购买价值,并把它们用到自身的研究上。无论哪种方式,其结果都将会在短期内让患者的生活更好,且一切顺利的话,人们就会真正了解这种令人衰弱、有时危及生命的病症的诱因。 /201210/203667

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