埃里克·惠特克Eric Whitacre在TED演讲：一个2000人的虚拟唱诗班高声歌唱。 I wanted to be a rock star. I dreamed of it, and that's all I dreamed of. To be more accurate, I wanted to be a pop star. This was in the late '80s. And m

My fellow Americans, This weekend, I begin my first trip overseas as President – a trip with historic significance for the American people. I will be visiting with the leaders in many different countr

Let's get half of us to agree to spend an hour a day playing games, 让我们中一半的人每天玩游戏一小时 until we solve real-world problems. 直至我们可以去解决现实生活中的问题 Now, I know you're asking, "How are we going to

WASHINGTON – During this holiday season, President Obama used his weekly address to give thanks for the blessings of America, in particular that distinctly（明显地，无疑地） American impulse to give some

I've always had a fascination for computers and technology, and I made a few apps for the iPhone, iPod Touch, and iPad. I'd like to share a couple with you today. 我一直都对计算机与科技很入迷， 我研制了一些适用于Iphone, iTou