>>1784923there is no truly non-permeable lightweight membrane yet, so over time you end up having to refill the gas. if a good membrane existed you could make a craft with the following properties:
>solar powered>partially buoyant with non-destructive terminal velocity >no windows, instead a VR headset that renders craft body invisible to occupant >compact life-support system similar to that on the ISS you would float around the world, free from geopolitical boundaries, using the internet to communicate and do business, until a government gets annoyed and shoots you down
