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Reclaiming The American Dream VI: The (Other) Lessons of Khan Academy

Howard Husock
This article is more than 6 years old.

To say that Khan Academy has important lessons to offer is to state the obvious. The Mountain View-based internet teaching institution—which has grown from founder Salman Khan’s individualized YouTube math lessons for his 7th grade niece to a worldwide phenomenon—offers thousands of free, plain-spoken online courses, from algebra to biology. But there are even broader lessons to be taken from the astounding success of Sal Khan, winner of the Manhattan Institute’s $100,000 2014 William E. Simon Prize for Lifetime Achievement in Social Entrepreneurship. Indeed, the lessons extend well beyond education

沃伦·巴菲特自2014年以来再次排名第二,净资产由去年的608亿美元增加到756亿美元。
单词association 联想记忆:
During the RoboCup 2500 contestants from 40 countries competed in 15 competitions with various types of computerized soccer robots, healthcare robots, rescue robots and dance robots.
n. 活动,运动,移动,[音]乐章
cerebr脑
Actor in a Mini-Series or Movie: Courtney B. Vance, “The People v. O. J. Simpson: American Crime Story”

The story of Khan Academy’s start and growth is dramatic. Sal Khan, New Orleans-born and MIT-educated, was working in the finance industry as a hedge fund analyst when, in 2004, he learned that his niece, Nadia, needed help with algebra. He began sending her his own clear, step-by-step illustrated lectures (Khan himself did not appear) via YouTube. That allowed other web users to use the same lessons. The teaching of Khan—a complete outsider to education or education reform—went viral, ultimately catching the eye of Bill Gates, whom Khan learned was helping his own children with lessons first meant for Nadia. Khan eventually attracted $15 million-plus in philanthropic support from the Bill and Melinda Gates Foundation, Google , venture capitalist John Doerr, and others accustomed to the idea that radical newcomers might be worth investing in. Such funding allowed Khan to give up his day job and start Khan Academy, with a forthright, undeniably ambitious goal: a free world-class education, for anyone, anywhere.

陶博宏指出,日本监管机构正在鼓励基于收费的销售模式,出台了新的受信规则和其他措施,这些举措将会增强ETF的低成本吸引力。
要让产品显得很“酷”并不是唯一的目的。科技行业如果想让我们身体的更多部位连上网络,那么安全问题和隐私问题,尤其是顾客数据管理问题,依旧需要慎重考虑。正如《经济学人》(The Economist)所说,蓬勃发展的传感器的魅力,以及可穿戴设备的算法,分散了人们对于其他要素的关注。这些关键的其它要素包括:“标准、互通性、一体化、数据管理”,以及“知识产权、执行标准”。对国家安全局(National Security Administration)而言,这些技术发展都必须以网络安全为前提。
然而,制度也同样重要,因为它们设定了游戏规则。
5. 艾玛?斯通
根据全球最大航运公司马士基航运公司(Maersk Line)的数据,从汽车到集装箱运输的纺织品,1月中国对巴西出口同比下降60%,而通过集装箱进入拉美最大经济体的总进口量减半。
6.摄影记者
The TV drama is not based on a novel but the story of a real businesswoman Zhou Ying. Born in the Qing Dynasty (1644-1911), Zhou was the richest female entrepreneur in Shaanxi province at that time.

adj. 快的,迅速的
玛丽?芭拉从通用汽车的第三把交椅升至第一把交椅,获得首席执行官提名,这一路上她突破了好几个历史性障碍。一方面,通过任命一位非执行主席掌管董事会,她能更容易打开工作局面;但另一方面,由于一位对手接手了她以前的职责,她现在的工作又变得更棘手了。她是二十年来首位掌管公司的产品工程师,各种建议势必将纷至沓来,令人应接不暇。这些建议小到新皮卡上的空调出风口,大到别克(Buick)和雪佛兰(Chevrolet)这些品牌的前景,无所不包。
appearance
然而,一位要求匿名的律师表示,Teach First人从事教学工作获得的经验和自主能力可能意味着,他们会对再次从一家机构的底层做起感到沮丧。
We will promote coordinated urban development above and below the ground, and begin construction on at least another 2,000 kilometers of underground utility tunnels in cities. A three-year initiative will be launched to remove the risk of flooding in highly vulnerable urban areas; and further progress will be made in the development of sponge cities. All these efforts will make our cities more attractive and function better.
Miley Cyrus
“也许,小组会多你一个少你一个问题不大,但是,你的不称职就意味着67万人的缺席,你的失语就意味着67万人沉默。”
9. Putting Yourself in Someone Else's Shoes Improves Memory
据Digitimes的消息,更大尺寸的iPhone 6将采用“台积电(TSMC)生产的20纳米处理器”。此前曾有报道称,新款iPhone的屏幕尺寸将和三星Galaxy 4的屏幕一般大小(不到5英寸)。
['g?l?ksi]
物理学界这一开拓性的发现已经点燃科学研究的星星之火,而他们的这项研究发展为前沿科技,也不过是时间早晚的事罢了,就像100年前我们无法想象今天的激光和电脑芯片那样,美国物理学会候选会长劳拉?H?格林在接受《纽约时报》采访时表示。
Plum Alley:
Simply put, bladeless fans are fans without blades. They work by sucking in air at their base and then blowing them out through several holes in their ring. The fan is reported to have been invented by James Dyson, who calls it the "Air Multiplier." Just like the flying jetpack, it earned a spot in Time's list of notable inventions of 2009. And just like the jetpack, it was not the first of its kind. The first bladeless fan was actually patented in 1981 by a Japanese company called Tokyo Shiba Electric. Although Tokyo Shiba's bladeless fan was never manufactured, James Dyson's initial design of a bladeless fan design looked so similar to that of Tokyo Shiba Electric that the patent office refused to grant him a patent. The patent granted to Tokyo Shiba had already expired, but the patent office still required something substantially different before it could grant a new patent to James Dyson. Dyson's patent manager, Gill Smith, did not deny the similarities between both bladeless fans but said the difference between them was the "technology."
TERRIBLE TIMEKEEPING
Best of luck in the year to come.愿你在未来的一年里,吉星高照。
Summly的两位员工将迁至雅虎的加利福尼亚州总部,但就目前而言,达洛伊西奥抵挡住了硅谷的诱惑。
The collaboration with business is important, adds Teach First, not just for the funding but to help schools equip students with more of the skills required by modern employers.
Why was I so confident that there would be no war in east Asia, either in the East China Sea or the South China Sea? The simple answer is that I know the Asian dynamic. While many Asian neighbours will make angry nationalist statements (and they have to do so to manage popular nationalist sentiments), they are also careful and pragmatic in their deeds.
健全激励机制和容错纠错机制,给干事者鼓劲,为担当者撑腰。广大干部要主动作为、动真碰硬,与人民群众同心协力,以实干推动发展,以实干赢得未来。

中国政府确定的消费者物价通胀目标为3.5%,但增长日益疲弱将令物价指数变得温和。
A Method to the Madness
But the UK courts may land a heavy blow on ride-hailing app Uber. In 2017, the California-based company failed to persuade an appeal judge that two of its London drivers are independent contractors. In 2018, the test case will go to the Court of Appeal and possibly to the Supreme Court. If Uber loses the case and is told to assume the responsibilities of an employer, the implications will ripple far and wide.
I think it’s a perfect continuation of my last post of being a football widow and I simply had to share the rules here. I LOVE rule no.6.
本文列举了16种我本人几乎每天都会使用的应用软件,我还将在本文中讨论为什么你也应该使用它们。
足球赛艇皮划艇帆船

公租房违规转租为何屡禁不止

But the statistics bureau attributed the overall rise in CPI chiefly to a base effect resulting from low prices a year prior.
In dollar terms, imports plunged 18.8 per cent last month to $114.19, from a 7.6 per cent drop in January and versus an expected drop of 3.6 per cent.
4. Outsourcing placement services.
1月份出口同比下滑6.6%至1.14万亿元人民币,而此前在去年12月份则曾增长2.3%。经济学家原本预计会增长3.6%。这是自去年7月下滑8.9%以来,出口出现的最大跌幅。
“环境越来越受到政策制定者的重视。”世界黄金协会市场情报部门负责人阿利斯泰尔?休伊特(Alistair Hewitt)说,“黄金开采受到更严格的监管。”
但科学研究和技术服务领域企业的高管薪酬却下降了4.2%。
如果你是一个腼腆的人,那么一开始坐在前排可能会让你有点不自在。但是,我向你保证,这是接受老师传授的内容的最好的办法之一。你也可以听得更清楚。不用伸长脖子,你就可以看到黑板上所有的内容。
Zheng Gang, a member of the CPPCC National Committee and deputy mayor of Danzhou city, Hainan province.
第二场比赛将于10月8日在上海的梅赛德斯-奔驰文化中心举行。
今年最引人注目的化妆和发型设计几乎都源自角色的原型本身(其中有些无疑比银幕上的造型更有活力)。除了能让观众一眼看出角色的外貌特征,它们也能为演员的表演赋予整体感觉和微妙之感。有时,一个大鼻子就能加深观众的理解。
Have a love filled New Year!
Guangdong has cemented its position as the country's largest provincial economy for the 28th consecutive year, with its gross domestic product (GDP) exceeding 7.9 trillion yuan in 2016.
impresario
人类想知道“这是为什么?”
人命关天,安全至上。

At least 10 students lost their chance to attend Harvard College after posting "obscene memes" to a private Facebook chat, the main Harvard student newspaper reported.
中国房价在今年初曾以9.6%的同比增速快速上涨,但此后随着经济放缓以及很多中等规模城市遭遇房产供应过剩,房价一直在下跌。
反对:纽约时和洛杉矶影评人协会都对该片无感。
adj. 迷人的
?根据市长迈克尔?布隆伯格,报道的33个事故有10个发生在纽约,数字还有望上升。纽约的死亡是由于倒下的树木、电击和溺水。
May the coming New Year bring you joy, love and peace.
She was also recognised for being the youngest recipient of the Ripple of Hope Award from the Robert F. Kennedy Center for her charity work.
中国拒绝承认存在任何不当行为,并表示正在努力解决工业产能过剩的问题。随着中国经济增长放缓,该问题变得日益尖锐。

About this series

Since 2001, I’ve helped direct an annual 广州海珠区改造面积最大的城中村 沥滘村旧改启动先建12栋复建房 recognizing top social entrepreneurs: those who develop effective, original approaches to dealing with social problems and who rely mainly on private funding and volunteers to see their ideas to fruition. They are leaders of America’s civil society, doing the things that government can’t do—or can’t do as well.

Comic skit “You’ve Got Trouble”(Sun Tao, Qin Hailu etc)
希拉里的回应则迎来了掌声:"我认为我是个女权主义者,因为我相信在我们经济和社会的方方面面,女性都应该获得跟男性同样的权利,不管是在我们国内,还是在整个世界上。你们知道,我在公共生活中将大量精力投入到了为女性倡权上,通过法律、规定、文化等途径做一切力所能及的事情,改变依旧存在的、让女性退缩的那些成见。"
她说:“我们一直在寻找他的遗骨,终于找到了。现在是为他恢复名誉的时候了。”
这是自去年9月以来进口最大单月跌幅,也意味着中国进口已在过去15个月里连续同比收缩。
Companies do have black lists. It's not written down anywhere but it's a list of people they'd be happy to get rid of if the opportunity arises. If you feel invisible, if you're getting bad assignments, if your boss is ignoring you, or if they move your office, you're probably on it.
简言之,无叶风扇就是没有叶片的风扇。它的工作原理是先将空气吸入风扇基座内部,然后通过扇头环形上的洞将空气吹出。这款风扇据说是詹姆斯·戴森发明的,并命名为"气流倍增器"。就像可以飞行的喷气背包一样,无叶风扇被《时代周刊》评为"2009年度伟大发明"之一,同样它也不是世界上第一个无叶风扇。实际上,第一个无叶风扇于1981年被日本的东京芝区电力公司获得专利。尽管东京芝区电力公司的无叶风扇并没有用于生产制造,但詹姆斯的无叶风扇的原始设计与其设计相似,所以专利局拒绝授予詹姆斯这个专利。尽管授予东京芝区电力公司的专利已经过期,但在授予詹姆斯这项新专利之前,专利局需要他提供该设计的创新之处。詹姆斯的经理吉尔·斯密斯并没有否认这两种无叶风扇间的相似性,只是说两者间的差异在于所用"科技"不同。
You think you're so smooth – the James Bond of covert job searching. Where he used wrist-mounted dart guns and camera-implanted rings, you have deceptive "dentist appointments" and a conveniently angled computer monitor to conceal secret résumé tweaking. Unfortunately, while you smugly sip a shaken martini – uh, iced coffee – you may not realize that your cover was blown. Your boss is onto you, and it's no wonder。
单词modest 联想记忆:
4.厨师
13. “Girlhood” (Céline Sciamma)
科技
银行根本无力赶上这样的薪酬水平。例如,受交易结构性变化和旨在约束冒险行为的新规打击,自2009年以来高盛(Goldman Sachs)的净收入减少了约三分之一。该行试图让薪酬比保持稳定,这意味着发放给典型员工的总薪酬减少。
外部事件的影响。《消费者报告》(Consumer Reports)杂志曾经对Model S大加吹捧,但最近该杂志也报道了它的一些常见故障,包括门把手失效,中控触屏白屏,导致车内大部分功能不能使用等等。汽车网站Edmunds.com也找了Model S的麻烦。更多此类报告无疑会影响特斯拉到目前为止非常正面的声誉。
“我去的每一个地方,都发现企业主对未来的需求量有一个很好的预期,” Gus Faucher PNC金融服务机构的资深经济学家称。“商人必须提高薪酬来吸引更多的劳动力或者保留原有的工人”。
Columbia Pictures克里斯蒂安?贝尔、艾米?亚当斯和布莱德利?库珀在电影《美国骗局》中早在1月份闹片荒的时候,人们不会想到今年会迎来如此多好电影。不仅如此,有几部影片甚至达到了被我们在心目中理想化了的那些老电影的水准。今年有两部电影脱颍而出。纯娱乐片方面,赢家显然是《美国骗局》(American Hustle),这部由大卫?欧?拉塞尔(David O. Russell)执导的影片讲述了上个世纪七十年代的行骗高手和他们的微妙骗术的故事,幽默诙谐,令人捧腹。而从创新角度看,《地心引力》(Gravity)的全新拍摄技术给观众带来了新的观影体验。人们普遍认为《美国骗局》无可挑剔,这部疯狂喜剧片是一部时代佳作。我个人则认为,《地心引力》是今年的最佳影片。

But although he foresees a “noticeable pick-up in exports” in the first quarter of 2017, the UBS man is keen to play down any euphoria. He believes year-on-year growth will weaken and maybe even turn negative by the second half of 2017 because “volume is not picking up in a big way and the base effect [of last year’s weak commodity prices] will fall off” during the course of 2017.
WardsAuto will present its Top 10 Engines awards on Jan. 15 at a ceremony held in conjunction with the North American International Auto Show in Detroit.
Lori Steele
塞舌尔
Its selection of Mr Trump neither accords with the votes cast in the election nor reflects judgment of the candidate’s merits, as desired by Alexander Hamilton.
在完成该项目的毕业生当中,42%没有继续从事教学工作。但Teach First表示,即便是那些离开教学领域的人也依然认可该项目的价值。
Hope all your New Year dreams come true!愿你所有的新年想都成真!
哈佛大学的一项研究证明,随着年龄增长,饮食可能会对你的记忆力有重要的影响。妇女医院的科学家们在《神经病学记事》发表的研究报告指出,食用含有大量饱和脂肪酸的食物(如红肉和黄油)的女性比正常饮食的女性记性更差。虽然研究人员暂时没有发现记忆力和饱和脂肪之间的确切联系,但是他们猜测饱和脂肪酸也许对基因有那么些影响。
toxic

"It is a massive jump in very little time: there were just about 30 cases when I became interior minister (in mid-2012), and 1,400 today," said Valls.
Other engines cited among 2014’s best include turbodiesels in the BMW 5 Series luxury sedan and the compact Chevrolet Cruze, the horizontally opposed 2.7-liter six-cylinder in the Porsche Cayman two-seat sports coupe and the 1.8-liter turbo-four in the compact Volkswagen Jetta sedan.

The findings of the US and UK scientists are based on thousands of global temperature measurements taken daily on land and at sea.
5.英国人设定的“狗狗奖”
007系列电影主题曲第五名:保罗·麦卡特尼和Wings乐队--《生死关头》
斗转星移关我何事?我的癖好才最重要。
她是头号权势女性:过去10年里,德国总理默克尔八度上榜——其中七次都荣登榜首。
D'Aloisio's parents came to England from Australia. His father, Lou, has worked in commodities for BP and Morgan Stanley, while his mother, Diana, is a corporate lawyer who also serves as her son's contractual representative. They always knew D'Aloisio was an extremely inquisitive child. 'But he was our first, so we didn't think it was anything out of the ordinary,' says Diana. (D'Aloisio's brother, Matthew, is 14.) They stress that despite his impressive accomplishments, he remains a normal kid. Or at least as normal as a kid can be when he's making offhand references to Markov models and stochastic processes. 'He still goes out on weekends, still goes to parties,' says Diana. 'He's got a girlfriend. All the things you do at 17.'
公司:技术服务公司Binary Group
据中国岛主联盟发起者林东估计,目前中国至少有600名岛主。
“It’s na瘀攀 not to recognize we’re at a pretty serious moment,” said Anthony Crichton-Stuart, director of the London dealer Agnew’s. “There has been a massive taste shift. But when a good old master does come up at auction and it is priced correctly, you do get some excitement.”
Consider:
Only 6.92 percent of Hawaiian’s flights arrived late during the past three years, almost twice as good as the runner up, Alaska Air — 11.27 percent of its flights arrived late.
8. 2012年搞笑诺贝尔奖之流体力学奖
脱发和头发变白的原因是相关的,科学家首次确认了对此负有责任的细胞。
尽管随着2014年末几项官司尘埃落定,手机专利战争似乎已经降温,但新年伊始,苹果与爱立信就又在无线通讯的专利费率上爆发冲突。黑莓过去就是一家热爱诉讼的公司:他们甚至因为名人瑞安o西克雷斯特设计的手机键盘而起诉他。但近些日子以来,公司更多地把工作重心放在了让智能手机消费者相信他们的技术依旧很棒,或至少很有意义上。
Falke的最终失利令人扼腕,但eBay的表现确实无可匹敌。我以为自己对eBay的爱将矢志不渝,因为鄙人全部的穿戴和家中物件均来自这家公司,而它却向《纽约时报》(the New York Times)表示:“我们热切希望利用我们的平台,通过营造公平的竞争环境来造福数百万人。”
Hope you enjoy the happiness of New Year and all the trimmings.祝你享尽新年佳节的快乐和新年的礼品。
Russia regards itself as a great power - it is not in question anywhere inside the country.
In addition to WeChat's core private and group messaging functions, users can also find new contacts by using the application's Drift Bottle function, where a user records a message and sends it out to see in a virtual bottle for a stranger to pick up and respond. Its Look Around function, similar to some mobile dating applications, allows users to browse the profiles of other users who are in close proximity. It also has a function called Moments that allows users to share photo albums publicly with groups of contacts, much like photo-sharing application Instagram.
Jiang Yiyi, deputy director of the Institute of International Tourism at the China Tourism Academy, attributed part of the dropoff in foreign tourists to the strengthening yuan.
A Former First Lady Presses On for a Tolerant, Feminist Islam
如果这届奥斯卡最佳影片的提名数有9或10部电影的话,那么《逃出绝命镇》能占一个。乔登?皮尔的剧本应该一定会被提名。
More importantly, their inventions may even eventually be turned into products that benefit mankind.
In terms of the volume of exports from emerging markets, Mr Baweja would not rule out growth of around 4-5 per cent. But while this would represent a modest improvement on recent years, growth at this rate would still be “in the bottom quartile over the long-term distribution, even maybe the second decile”, given that median growth has been about 7 per cent a year over the past 25 years.
理想化地描述并粉饰往昔,把往昔置于想象中的玫瑰色光环中,这是人类的天性。
A disturbing and often bleak analysis of the automated future of work has been named 2015’s business book of the year.
n. 沼地,极多,回转 n. 大量,许多 v. 使转,扭
as朝向,soci(同伴,社会)-成为同伴-联合