dr. parkik has used a way to advance technology. >> you're using a satellite to look into the past,. >> ing more focused. today in all scientific fields archaeology is facing a number of challenges regarding funding as well as access to sites on the ground. and we absolutely need new scientific approaches to allow us to know exactly where to go and what to dig. otherwise we're wasting time and wasting money. >> to find out how this works, we turned to the experts of digital dig. >> what is remote sensing? >> remote sensing, believe it or not we all do, it's sensing without touching something. so our eyesight, our ears, we alt do reploat sensing. what we -- remote sensing. what we are talking about here is a camera in this case in space taking pictures of objects without touching them. >> based in boulder, colorado, ball aerospace are constructing the world view 3. it is an incredibly secure location to which we were given rare access. the world view 3 satellite scheduled for launch in summer 2014 represents the latest and greatest advancements in commercial satellite imaging. flying 380 mil