How Do Hot Air Balloons Work?

Hot Air Balloons! They're those big, beautiful balloons people can float up to the sky in-- but how do they get up there?! ---------- Like SciShow? Want to help support us, and also get things to put on your walls, cover your torso and hold your liquids? Check out our awesome products over at DFTBA Records: http://dftba.com/SciShow Or help support us by becoming our patron on Patreon: https://www.patreon.com/scishow ---------- Looking for SciShow elsewhere on the internet? Facebook: http://www.facebook.com/scishow Twitter: http://www.twitter.com/scishow Tumblr: http://scishow.tumblr.com Instagram: http://instagram.com/thescishow SOURCES: http://howthingsfly.si.edu/ask-an-explainer/why-does-hot-air-rise https://www.reference.com/science/heat-rise-5d9601c90286bbbd http://science.howstuffworks.com/transport/flight/modern/hot-air-balloon.htm https://commons.wikimedia.org/wiki/File%3AHot_air_balloon_rising_above_the_clouds_2.JPG https://commons.wikimedia.org/wiki/File%3AHot_air_balloon.JPG https://commons.wikimedia.org/wiki/File%3AHot_air_balloon_in_Cappadocia_01.jpg https://commons.wikimedia.org/wiki/File%3AEspejo_(3207185886).jpg https://commons.wikimedia.org/wiki/File%3AThailand_(628536547).jpg https://commons.wikimedia.org/wiki/File%3ABrno%2C_krav%C3%AD_hora%2C_hot-air_balloon_starting_(13).JPG https://commons.wikimedia.org/wiki/File%3A2013-06-08_Heissluftballontechnik_HP_L4206.JPG