Practical Aerial Dwellings: Should Your House Float on Hydrogen or Helium?
There is something irresistibly strange about the idea of an aerial dwelling: a house, cabin, workshop, or even small neighborhood suspended above the ground by enormous gas-filled envelopes. Instead of foundations, there would be mooring lines. Instead of a driveway, perhaps a docking platform. The backyard might be several hundred feet below you. Read more