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
Air Balloon (song) she had lost agency to her label, Parlophone. In 2018, Allen described "Air Balloon" as her least favourite song, and agreed with a fan who suggested that it "stunk of label pressure as a lead single". "Air Balloon" is described by "Billboard" as "more of a loopy lullaby than a slice of social commentary", with a nonchalant Allen singing, "Come meet me in the sky, I'll be waiting for you/And we can't hear what they say/Up in my air balloon, air balloon, air balloon." The song gets its toy piano arrangement, creaseless beat and offbeat Kurt Cobain shout-out partially from