Hot air balloon sea level, and humidity of the air surrounding. On a warm day, a balloon cannot lift as much as on a cool day, because the temperature required for launch will exceed the maximum sustainable for nylon envelope fabric. Also, in the lower atmosphere, the lift provided by a hot air balloon decreases about 3% for each 1,000 meters (1% per 1,000 ft) of altitude gained. Standard hot air balloons are known as Montgolfier balloons and rely solely on the buoyancy of hot air provided by the burner and contained by the envelope. This style of balloon was developed by the
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