From: iTunes on Wed, Jun 29 2011 1:58 PM

D.Lee Beard presents a basic introductory tutorial in how to use the Google Earth application which is available for Mac OS X and Windows. He explains how to download it for free, navigate within it, view different layers, and how to change viewing angles to see terrain. He also explains how to ...

From: iTunes on Thu, Jul 09 2009 9:46 AM

Maps of infrastructure show what’s possible in a connected world, but not necessarily what happens. Understanding globalization requires new kinds of maps – maps of flow of bits, atoms and ideas. Ethan Zuckerman discusses maps, real and suggested, to help understand our changing world. Share and...