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View Resource Marine Navigation in the Age of Exploration

To accompany a major exhibition, Spain in the Age of Exploration, 1492-1819, the Seattle Art Museum (SAM) presents this interactive website that illustrates the use of four ancient nautical instruments: the Quadrant, Asrolabe, Octant, and Chronometer. Each instrument's section includes pictures, a bit of history, and a description of how it was used. For example, the astrolabe was originally...
View Resource Waze Screenshot

Phone based navigation systems are one of the great innovations of the early 21st century. But they have their drawbacks - like when they take you down a road dead-ended by construction. Waze seeks to improve on the greatness by tapping into real drivers driving real roads. Put simply, it's a community-based navigation and traffic app. So when a waze user sees traffic or other obstacles, they tell...