One of our graduate students then says, well,我们的一个毕业生说，好吧how does a driverless car communicate with pedestrians?这个无人驾驶的车，怎样提防行人呢？You have nobody to make eye contact with.没有司机看着它啊You don&#39t know if it&#39s going to run you over.也不知道它是不是会把你碾过去So he&#39s developing strategies so the vehicle can所以他在研究

We think this can all be standardized, and then people我们觉得这可以标准化can personalize the stuff that goes into that wall,那样人们就可以个性化墙上的其他物品and like the car, we can integrate all kinds of sensing就像那辆车一样，我们能完善各种to be aware of human activity, so if there&#39s a baby or感应人类活动的传感装置，所以a puppy in the way, you won

I thought I would start with a very brief我觉得我得从城市的历史history of cities.简单说起Settlements typically began人们聚井而居with people clustered around a well, and the size揭开了典型的定居生活of that settlement was roughly the distance you could walk而这种定居的范围，也不过是你头顶着一盆水with a pot of water on your head.所能走的距离罢了In fact, if you

So we said, we&#39ll, let&#39s look at new cities, and we&#39re involved所以我们说，看看这些新城市in a couple of new city projects in China.我们也要在中国弄几个新城市出来So we said, let&#39s start with that neighborhood cell.那我们就从社区单元开始着手吧We think of it as a compact urban cell.我们觉得这是一种紧凑的城市单元So provide most of what most people