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From Flat to Fabulous: Inflating a Hot Air Balloon Explained
The science behind hot air balloon flight comes down to air density and buoyancy. When the envelope is laid out on its side, cold air is first blown in to give it shape, because the fabric is too limp to stand on its own. Once the pilot heats the air with the propane burner, the air inside the envelope becomes less dense than the cooler air ...
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BREAKING: Two US Navy fighter jets have just had a MID-AIR COLLISION during the air show at Mountain Home Air Force Base in IdahoIt appears all four crew members punched out of the aircraft, which then fell to the ground and exploded.Pray for the crew. Their conditions are unknown.
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