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Feature: Engineering Icons

Grand Canyon BridgePlanning a road trip this summer? Whether en route to a beach, lake, or national park, there are plenty of engineering landmarks to admire along the way — including the interstate highway system, along which most travelers must pass. Here are some designated engineering destinations worth braking for!

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Building Roller Coasters

marble roller coaster in classroomStudents in grades 7 to 9 build model roller coasters using pipe insulation and marbles, then analyze them using physics principles, including conversions between kinetic and potential energy and frictional effects. A class competition using various marbles to represent different passenger loads determines the most innovative and successful designs.

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