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
What the Brothers Sang What the Brothers Sang What the Brothers Sang is an album by Dawn McCarthy (of Faun Fables) and Bonnie 'Prince' Billy. The album was released on February 19, 2013. The album features covers of songs that appeared on albums by The Everly Brothers. The duo preceded this album with the "Christmas Eve Can Kill You" 7" single in late 2012, also featuring two covers of songs earlier performed by the Everlys. What the Brothers Sang was the first of three major albums released in 2013 to feature Everly Brothers covers in their entirety, the second being A Date with the