Hi, everybody. It's the most wonderful time of the year -- and not just because it's the holiday season, 大家好。这是一年中最棒的时候--不仅仅因为这是节日季, but because it's also open enrollment season over at HealthCare.gov
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
And one of the greatest governmental delusions of all time 政府有史以来最大的幻想之一 was something that happened in the early days of the Federal Emergency Management Agency, FEMA, as we now know, 是由早期的联邦紧急情况管理署（
