Hot air balloon Montgolfier brothers, and had its first public demonstration on 4 June 1783 with an unmanned flight lasting 10 minutes, followed later that year with manned flights. The 1785 Rozière balloon, a type of hybrid balloon, named after its creator, Jean-François Pilâtre de Rozier, has a separate cell for a lighter than air gas (typically helium,) as well as a cone below for hot air (as is used in a hot air balloon) to heat the helium at night. Hydrogen gas was used in the very early stages of development but was quickly abandoned due to the obvious danger of introducing
Duck Dodgers and the Return of the 24½th Century 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 Pig and Marvin the Martian. It is the sequel to the 1953 cartoon "Duck Dodgers in the 24½th Century". It was the first Daffy and Porky cartoon since 1965. This cartoon first premiered on November 20, 1980, as part of an animated CBS television special called "Daffy Duck's Thanks-for-Giving Special", with scenes that would later be cut when this cartoon was reformatted as a short. The theme tune is an orchestral version of Frédéric