Feature: The conclusion of the famous Apollo 13 mission. The Cost: Crash tests - Real aircraft are deliberately crashed for the sake of future safety. Life Off: Hang gliders - A surprising correlation between these flying wings and the design of spacecraft. Trailblazers: Early designs - Featuring the oblique wing, the scissor wing, testing aircraft underwater and wave vortices
Notes
Title from resource description page (viewed July 15, 2014)
