dr. parkik has used a way to advance technology. >> you're using a satellite to look into the past,. >> inge 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 miles ab

dr. sarah parkik is a pioneering archaeologist using satellite images, she was the first to map egypt's lost city of tanis, creating an incredibly accurate current take layout of a city that hadn't been seen in 3,000 years. she discovered 300 tombs in 1,000 ancient settlements. >> you may see you guys digging around in the dirt and you wonder why. >> if you look back you learn from people in the past about who you are today. the reality is we haven't changed. we're the same people that built the pyramids and we're the same people that built stonehenge. when we look at the archaeological record in one story in egypt there's an inscription in the western desert and a guy is writing on the face of a cliff, i can't believe how much i had to drink. my boss is so angry. i can't make it to work together. this is 3,000, 4,000 years ago. nothing has changed. >> nothing has changed. >> a few things have changed over the past 4,000 years. the world has grown en incredibly complex. they have embraced it as a way to advance the field of archaeologicalarc archaeology archaeology. >> satellites allow us to