Digital World Atlas/Map

In centuries past, humans were lucky to cross a body of water. Today, we have the world at our fingertips, quite literally. For example, Photosynth is an app that combines maps and full spherical panoramas, explains Eric Escobar, host of the weekly podcast Tech Talker. "They have many user generated ones that you can find via their website and many official ones, such as the one for Stonehenge, which let you basically tour the site as if you were there." Other apps to consider are NatGeo's World Atlas and Star Walk.

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