On Monday, an act of terror wounded dozens and killed three innocent people at the Boston Marathon. But in the days since, the world has witnessed one sure and steadfast（坚定的） truth: Americans refuse t
So we built Ashioto, meaning "footstep" in Japanese, 所以我们构建了“Ashioto”系统，在日语中意思是“脚步声”， as it consists of a portable mat which has pressure sensors which can count the number of people walking on it, 这种
Today, I’m speaking to you from Indonesia as I finish up my trip to the Asia Pacific – the region where we do most of our trade and sell most of our exports. And over the past week, the pr
