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Its Thursday, Sept.16th. 2010, Im Jeff Barkla, and its time to get loaded.今天是9月16日,周四,我是Jeff Barkla,是时候接收今天的最新科技资讯。Microsoft has released a beta version of Internet Explorer 9 and early reviews are quite positive. The new browser now extensively supports web standards like HTML5, and CSS3, features a new minimalist user interface, and Microsoft claims that everthing is hardware accelerated. In a bit of supprise, IE9 also allows users to pin web apps to the task bar. Unfortunately, the new beta only works on Windows7 and Windows Vista machines. thats if youre running XP, you are out of luck.微软发布了一款测试版IE9,而且收到的反响很好。这款新的浏览器持各种网页,例如HTML5,CSS3,IE9界面简洁大方,微软公司表示这款浏览器可以通过硬盘加速。有些令人惊喜的是,IE9还允许用户将网络应用加入浏览器列表中。但不幸的是这款浏览器只能应用于Win7和Vista系统。如果你用的是XP系统,那就很不幸了。Craigslist has announced it will not be reopening its Adult service section, after shutting it down earlier this month following pressure from lawmakers. William Clinton Power, the companys director of cutstomer service says those who formerly posted adult services, Ads on Craigglist were now just advertised on countless other venues. And hes exactly right.克雷格列表网受立法压力于本月早期关闭了其成人务板块,克雷格宣布不会重新开放这个板块。克雷格的客户主任William Clinton表示,这些在克雷格列表网发布成人务广告的人,一定也在其他地方大肆发布着广告。他说的没错。The open source Facebook competitor, the Diaspora has released the source code to their project. For now, the software is still in heavy development but entrapped geeks can solve the software themselves on their own servers. For now, the Diaspora can share messages and photos privately with your friends, all in encrypted form. The developers plan to add Facebook integration and data portability in their next release.脸谱网的竞争对手Diaspora公布了其程序源代码。现在,这款软件还在开发过程中,但用户已经可以使用了。现在,用户在Diaspora上可以私下和朋友分享信息和照片,这些全部都在加密的形势下实现。下一步,程序开发者计划公布更多脸谱网社交网站的代码和数据。Apple has released the developer version of IOS4.2. The new software finally brings the iPad up to par with iPhone and iPod touch. But also packs a few new features. Developers will now be able to test air play which will stream movies, photos and music to any compatible device. And air print, which let you print to any printer share on the Mac or PC or wirelessly to compatible printers. Eager testers will need the latest version of Mac IOS Snow leopard to try it out.苹果公司更新发布了最新系统IOS4.2。这款最新软件最终使iPad等同于iPhone和iPod touch,同时还新加了一些其他功能。用户现在能通过新系统使用Airplay功能,也就是通过兼容工具上传视频,图片和音乐。另外还有Airprint功能,用户可以通过任何和Mac或PC共享文件的打印机或是无线打印机来打印。迫不及待想要测试的爱好者只需安装MAC最新的IOS Leopard程序即可。Finally starting on Sept. 21st, a play station three firmware update will bring along 3D blue ray support. And the councilors are aly been able to place stereoscopic of 3D games. Thanks to the update back to April. Of course, you are going to need a 3D HD TV to enjoy these features. So, head down over to CNet.com for the latest reviews. Those are your headlines for today, Im Jeff Barkla for CNet.com. and youve just been loaded.最后一条消息,9月21日,一家游戏网站提供3D蓝光固件升级。部分游戏已经可以使用3D立体眼镜。这多亏了四月份的那次升级。当然,玩家还需要一台3D高清电视来应用这一功能。欲知最新资讯,请关注CNet.com。这些就是今天的头条消息,我是CNet.com的Jeff Barkla。感谢您的收看。Whats up? Brian Tong here, and if you want a scoop for all the good and bad inside the Apple world, then the only thing you should be watching is CNets applebyte. Ill give you latest news, rumors, tips, apps of the week, and even call out the bad Apples. So, watch all these at CNet.com/applebyte. Ill see you there.怎么了?Brian Tong在这里!如果你想了解苹果世界好的坏的,各方面信息,你只需要收看CNet.com的applebyte节目。我将会向你介绍一周中最新鲜的新闻,传言,贴士和应用,甚至是苹果产品的缺陷也会毫无保留。这些全都在CNet.com的applebyte。我们节目中再见。注:本篇文章英文来自普特论坛,译文属原创,,。201211/207445

Science and Technology Education Learning difficulties科技 教育 学习的难处Making something hard to means it is more likely to be remembered读起来费劲记起来就容易A PARADOX of education is that presenting information in a way that looks easy to learn often has the opposite effect.关于教学有个看似矛盾之处:用一种看起来简单的方式呈现信息通常会适得其反。Numerous studies have demonstrated that when people are forced to think hard about what they are shown they remember it better, so it is worth looking at ways this can be done.大量研究已表明,如果能迫使人们费一番力气去考虑他所看到的东西,那么他记忆的效果就会更好。所以,有哪些方法能让人们去;费这个力气;值得关注。And a piece of research about to be published in Cognition, by Daniel Oppenheimer, a psychologist at Princeton University, and his colleagues, suggests a simple one: make the text conveying the information harder to .由普林斯顿大学心理学家,丹尼尔 奥本海默及其同事们共同完成的一项研究结果即将发表在《认知》杂志上,提出了一种很简单的方法:让传达信息的文本读起来更费劲一些。Dr Oppenheimer recruited 28 volunteers aged between 18 and 40 and asked them to learn, from written descriptions, about three ;species; of extraterrestrial alien, each of which had seven features.奥本海默士招募了28名年龄在18到40岁的志愿者,要求他们从书面文本的描述中学习关于三;种;外星生物的知识,其中每种生物又包含了七种特征。This task was meant to be similar to learning about animal species in a biology lesson. It used aliens in place of actual species to be certain that the participants could not draw on prior knowledge.这项任务旨在模拟生物课上学习动物种类的过程,它之所以用外星生物代替实际物种,是为了确保测试者不会凭借其原有的知识进行记忆。Half of the volunteers were presented with the information in difficult-to- fonts (12-point Comic Sans MS 75% greyscale and 12-point Bodoni MT 75% greyscale).半数志愿者读的信息是;难看;的字体(12磅,Comic Sans MS字体,灰度75%和12磅Bodoni字体,灰度75%)。The other half saw it in 16-point Arial pure-black font, which tests have shown is one of the easiest to .另外半数读的则是16磅大小、Arial纯黑字体(这种字体经测试表明,读起来最省力)。Participants were given 90 seconds to memorise the information in the lists. They were then distracted with unrelated tasks for a quarter of an hour or so, before being asked questions about the aliens, such as ;What is the diet of the Pangerish?;所有测试者有90秒时间记住清单上的信息,然后进行大约15分钟不相关的测试以分散他们的注意力,最后才提问他们关于外星生物的问题,例如;潘格里氏主要吃什么?;and ;What colour eyes does the Norgletti have?; The upshot was that those ing the Arial font got the answers right 72.8% of the time, on average. Those forced to the more difficult fonts answered correctly 86.5% of the time.,;诺格莱蒂的眼睛是什么颜色?;等等。结果,读Arial字体的测试者平均有72.8%的正确率,而那些不得不费劲读;难看;字体的测试者正确率则达到86.5%。The question was, would this result translate from the controlled circumstances of the laboratory to the unruly environment of the classroom?问题来了,在实验室控制环境下得出的结果能否也适用于教室这种难以人为控制的环境呢?It did. When the researchers asked teachers to use the technique in high-school lessons on chemistry, physics, English and history, they got similar results.是肯定的。研究人员让教师们将这种方式应用到高中的化学、物理、英语和历史等课堂上,得到了类似的结果。The lesson, then, is to make text books harder to , not easier.那么结论就是,应该把书本印得难读一点,不要让它看着那么舒。 /201301/218185

I know itrsquo;s a good idea for adults to watch how much salt they eat, especially if theyrsquo;re at risk for high blood pressure. But what about kids? Should parents cut back on how much salt their kids eat, too? Good question and the answer is yes, at least for teens. The typical American teenager eats about nine grams of salt per day. Thatrsquo;s twice the recommended amount. And the tricky part is that itrsquo;s not a matter of sprinkling salt on food. Most of the salt that teens and adults get is aly added to processed and prepared foods. Pizza is especially bad, and even baked goods have a lot of salt. So kids can end up eating too much salt without knowing it.我知道这对成年人来说是一个好主意:看下他们吃了多少盐,尤其是关注下他们是否有患高血压的危险。但是我们的孩子呢?家长也应该少给自己的孩子吃盐吗?好问题,是肯定的,至少对青少年来说是这样的。典型的美国青少年每天约吃9克盐。这是推荐量的两倍。而棘手的部分是,这不是一个食品上洒盐的问题。青少年和成人摄入的大部分盐已经食品加工和准备中已经添加了。比萨尤其糟糕的,甚至焙烤食品也有大量的盐。因此,孩子们如果不知道就会吃太多的盐。201201/167431


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