Paul MacCready Interview: Toward A Rational Use of Energy

Physicist Paul MacCready discusses the process of designing human-powered flying machines, the unexpected turn his career path took into aeronautical engineering, and the potential he sees for wider adoption of renewable energy sources.

071 paul maccready interview - challenger pilot
Colorado aviator Stephen Ptacek got MacCready's go-ahead to pilot the Solar Challenger for the France-to-England flight.