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Lesson: Hovercraft Racers

Hover Baloon ActivityUnderstanding how friction works helps engineers design moving objects so they can be controlled. In this activity, students in grades 7 – 9 gain first-hand experience on how friction affects motion by building a hovercraft that uses air from a balloon to levitate a craft made from a compact disc (CD).

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Feature: Hop into a Hovercraft

HovercraftAn Austrian engineering firm debuted a new type of hovercraft at the Paris Air Show, claiming it can take off and land vertically without using any rotor blades or fixed wings. Popular Science’s report says the Austrian Innovative Aeronautical Technology’s (IAT21) D-Dalus uses four contra-rotating turbines for propulsion, allowing “thrust to be fired in any direction, around any axis.”

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