140 Views0 Comments101 Votes in Travel The Technology of Hot Air Balloons Lighter-than-air flight has been around for centuries. Hot air balloons and dirigibles like the famous Goodyear Blimp rely on the basic principle that if an object weighs less than an […] More 0 0 0 0 0 0 0 0 0 0 0share Read More 101 Points Upvote Downvote MoreReportRead LaterAdd to FavouritesAdd to Collection