Alternative Energy

Flights of Imagination

Aeronautical inventor Paul MacCready describes how he built a human-powered airplane.

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Maglev Trains

Gliding on a wave of electromagnetic force, a maglev train could travel at 300 miles per hour or faster. Designer-engineers describe the mechanics and future benefits of such superconductor trains.

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Making Sparks

Solar panels are a practical source of electricity for an individual or a nation.

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The Wind Business

Introduce your students to a group of engineers using everything from algebra to physics and problem solving to statistics to provide us with a clean, renewable energy source.

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