Ed Yost own interests turned toward reviving the lost practice of manned hot-air ballooning. This technology had first been invented in France by in the late 18th century by pioneers led by the Montgolfier brothers, but under the Montgolfier system, the balloon's air was heated by a ground fire prior to the balloon being released. The inherent danger of this type of balloon flight led to the system being abandoned when hydrogen and later helium became available. One of Yost's key engineering insights was that a hot-air balloon could be made to carry its own fuel. The invention of relatively light burners
Duck Dodgers and the Return of the 24½th Century be a giant, hairy monster in sneakers, and the frightened Dodgers flees. Porky uses electronic clippers to literally haircut Gossamer into nothingness, and Dodgers, furious of his assistant's all-too-literal interpretations of his commands, repeatedly fires his gun at Porky. When Porky asks what Earth will do without the rack-and-pinion molecule Dodgers replies "Let them eat cake." • Mel Blanc as Daffy Duck (as Duck Dodgers), Porky Pig, Marvin the Martian, Gossamer and Dr. I.Q. Duck Dodgers and the Return of the 24½th Century Duck Dodgers and the Return of the 24½ Century is a 1980 cartoon starring Daffy Duck, Porky