NPR 2009-07-25

President Obama expressed regret today for saying the Cambridge police acted stupidly when they arrested Harvard Professor Henry Louis Gates last week. NPR's Scott Horsley has more. The President spoke by telephone with the police sergeant who arres

数学英语 35 How to Convert Units

by Jason Marshall In the last two articles weve talked about the meaning of multiplication and how to use this meaning to make multiplying fractions easier. Today, were going to put everything weve learned about multiplication to good use by learning

VOA标准英语2010年-India's Central Bank Moves to Reverse

India's Central bank has made its first significant move to reverse stimulus measures taken in the wake of the global financial crisis by asking banks to set aside larger cash reserves. The step is aimed at tackling rising inflation. The Central Bank

NPR 2009-05-17

From NPR News in Washington, I'm Craig Windham. President Obama has nominated Republican governor Jon Huntsman of Utah to be the next US ambassador to China. Huntsman has a strong background in Asia, including a stint as ambassador to Singapore. He

【小龟乐游记】蝙蝠侠：阿甘之城（12）

文本： Batman:I'm listening. Joker:Is someone feeling a little _(1)_? Batman:What do you want? Joker:Oh,Bats,cheer up.It won't kill you.Oops. Batman:Where is the cure? Who has it? Joker:I had our cold-hearted friend Mister Freeze making it.But he'

【有声英语文学名著】CHAPTER THREE(1)

ATTENTION PLEASE! Can I have your attention? Some attention if you dont mind? If you could listen? Dont throw things, listen please? Please? ATTENTION, PLEASE? Thank you. Scott McKenzie settled on his bar stool and looked out at his team of eight sta

Powerless Aircraft Sets Altitude Record

Two pilots recently set a new altitude world record for gliders. A glider is an aircraft that does not have an engine. They are pulled into the air by powered airplanes and then released. They are designed to ride warm, rising air to gain altitude. T

Chinese island province pilots in low-altitude test flight

HAIKOU, Jan. 28 (Xinhua) -- China's aviation authorities(民航当局) on Friday started to allow helicopters to fly in low-altitude airspace over the tourist island of Hainan on a trial basis for the first time. The aim is to eventually open a part

Low-altitude airspace to open up across China from 2013

SHENYANG, Aug. 23 (Xinhua) -- China will relax the ban on the use of low-altitude airspace across the country starting in 2013, the country's air traffic authorities said Thursday. A series of reforms will be implemented in five to ten years, creatin

经济学人: 海洋生物的隐身斗篷 (1)

THE ocean is dark and full of terrors, and the black dragonfish is the darkest of them all. 海洋中充满黑暗与恐惧，黑色的深海龙鱼是其中最黑暗的生物。 Its surface, new measurements reveal, is as black as the blackest materia

华为手机推出新功能:可当电子称使

Phones are gradually replacing a large number of everyday items and the latest household gadget under threat is the weighing scale. 手机逐渐取代我们生活中很多东西。而目前受到威胁的东西就是称。 Huawei recently unveiled a

TED演讲:如何构建对我们有利的人工智能(3)

I realized that, as I worked on improving AI task by task, dataset by dataset, 我了解到，当我努力在改善人工智能，一个任务一个任务、一个数据集一个数据集地改善， that I was creating massive gaps, holes and blind

World's highest altitude swimming race kicks off

GUIDE, China, Jan. 12 (Xinhua) -- The 3rd International Extreme Race of Winter Swimming across Yellow River started here in northwest China's Qinghai Province on Saturday. Being hosted in Guide County at an altitude of 2,200 meters in Tibetan Plateau

Singapore firm working on "indoor GPS"

SINGAPORE, Oct. 10 (Xinhua) -- A Singapore start-up firm has devised an innovative application to allow phone users to have access to their positioning information within buildings, where traditional global positioning system has often proved inaccur

潘基文担心宗教冲突

UNITED NATIONS, Oct. 23 (Xinhua) -- UN Secretary-General Ban Ki-moon said on Friday that he was profoundly troubled by what he witnessed on his just-completed visit to the violence-wracked Middle East, voicing fear that the tensions have the potentia

TED演讲:游戏奖励大脑的7种方式(6)

And I just look at this, and I think, yes, 看到这些，我想，是的 we could take that so much further by allowing people to set targets 我们能可以把它带到更广阔的境界，以让人们去设定目标的方式 by setting calibrated

TED演讲:游戏奖励大脑的7种方式(4)

The first one is very simple: experience bars measuring progress 首先看一个简单的：用经验值条量度进程 something that's been talked about brilliantly by people like Jesse Schell earlier this year. 它曾经被人精彩地讨论过，比

TED演讲:游戏奖励大脑的7种方式(3)

Now, I could make a game called Piecraft, 现在，我可以做一个游戏名为《馅饼争霸》 where all you had to do was get a million pies or a thousand pies. 在里面你要做的所有事就是得到一百万个馅饼或者一千个馅饼 T

万物简史 第373期:进入对流层(14)

However, for reasons unknown he calibrated the instrument in a way that put freezing at 32 degrees and boiling at 212 degrees. From the outset this numeric eccentricity bothered some people, and in 1742 Anders Celsius, a Swedish astronomer, came up w

找谁倚靠(慢速)04：改变高度 Change altitude

Change altitude 改变高度 Rebecca had decided that her best chance of getting hired by a company doing geological survey work in the Alaskan wilderness was to earn a private license to fly twin-engine planes. 丽贝卡觉得，要想进入在阿拉斯