Windy Skies, please completely delete the Cosine Functions topic you messed up. May this “silly idea” topic be left where just as you created it, without misplaced Moderation.
The silliest methane generation AWE idea would be a Flying Cow as the generator, with an aeroponic pasture in the sky. As for the serious engineering barriers to economically generating H2 aloft, the Old Forum covered the technical aspects better than any other source.
Classic kite culture has a most highly evolved sense of what is properly “silly”, for example “silly hats” has long been a serious cultural specialty at leading kite festivals, sort of like this (could not find better quick example)-
