the.com/hot air balloon

Flight by faith: heat rises, you rise with it, steering is a rumor.

means A large fabric envelope filled with heated air that lifts a basket of passengers off the ground, floating wherever the wind decides to take it.

from The phrase is just literal compound English — hot + air + balloon — but the device itself dates to 1783, when the Montgolfier brothers in France, papermakers by trade, noticed smoke and heated air making scraps and fabric rise over a fire. They built a huge paper-lined silk globe, lit a fire beneath it, and sent it skyward, first with no passengers, then with a sheep, a duck, and a rooster, and finally with humans. 'Balloon' itself comes from French ballon, from Italian pallone, meaning a big ball — the same root family as 'ball' and 'balloon' in the toy-store sense, just scaled up to carry people into the sky.

physics
hot air is simply less dense, not magic
steering
you pick altitude, the wind picks direction
landing spot
officially unknown until it happens
first flyers
a sheep, a duck, and a rooster, 1783
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