Found this at;.
http://www.ehow.com/how_4826178_flying-paper-lanterns.html
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= How to Make Flying Paper Lanterns =
By Lisa Parris, eHow EditorRate: (4 Ratings)
Flying lanterns float into the...
put hot air in it ;p hahhahahaHot air is lighter than the surrounding air as it is less dense (molecules move apart.) Therefore, it always wants to rise (as it does in your home, making higher floors...