Can we add some hydrogen to a larger wing and do this? Or helium? I’ve never done. Started flying when I was sixteen though and have thought about it a lot for my entire life. Do think that there are some lighter than air “entertainments” coming. Not sure about slightly heavier than air paragliding, but I’m thinking about it for a minute.
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These wings are pressurized by wind blowing into the face. The airfoil creates lift when there is air traveling faster on the underside, and slower over the top. The glider falls at a rate of 200 ft per minute. As long as you can fly in air that is rising at greater than 200 ft per minute you can stay in the air. We call those thermals. Its pretty fun.