This gadget you see right here was called the digital wall mapper, 你们在这里见到的这个是电子墙体测绘仪， and it produced the first three-dimensional map anybody has ever done of a cave, and it happened to be underwater
Earlier this year, I got a letter from a South Carolina woman named Ashley, who was expecting her third child. 今年早些时候，我收到一封来自南卡罗来纳州阿什利女士的来信，她正期盼第三个孩子降临。 She was, in her words, "extremely concerne
It only recently occurred to me, while preparing this address, how totally absurd this whole charade was. 直到最近，在准备这次演讲稿时，我才意识到，自己在毕业典礼上的装模作样简直荒谬至极。 It reminded me that oftentimes we do all sorts of si
Peru is just the beginning. 秘鲁只是一个起点。 We're going to be expanding this platform to the world, 我们将把这一平台拓展到全世界， but already I've gotten thousands of emails 我已经收到了数以万计的电子邮件， from people all across the wo
