On Thursday, I visited a new, high-tech factory in Michigan where workers are helping America lead the way in a growing clean energy industry. They were proud of their work, and they should be. They’r

The leader in this online race is "amazon.com".If you have not heard of them, do not feel bad. Three years ago, nobody heard of them. They did not exist. Their customers do not aware they ex

Pakistan is a peace loving, democratic country. 巴基斯坦是个热爱和平民主的国家。 Pashtuns want education for their daughters and sons. 普什图人要他们的女儿与儿子接受教育。 Islam is a religion of peace, humanity and brotherhood. 伊斯兰教是个

So remember, I said 4D. So today for the first time, we're unveiling a new project, which is a collaboration with Stratasys, and it's called 4D printing. 还记得我刚才提到了四维，今天我们首次向大家展示一个新项目，这是和Stratasys公司一同合

Do you know that feeling you get when you know it's going to storm before it storms? 你们了解那种感觉吗？那种在暴风雨来临前的感觉？ Do you also feel that now, fellow citizen? 你们现在有这种感觉吗，我的公民朋友们？ That malaise and worry that