I hope that forum members will appreciate the engineering complexities at work with Neil's device.
- The size of the balloon at various inflated pressures/volumes. A weather balloon won't work.
- The elasticity of the balloon. A stainless steel balloon won't work.
- The influence of color. Beyond my bachelor's degree in engineering.
- The influence of atmospheric pressure. Ditto.
- The influence of oxygen permeability, as pointed out by Spike. Way beyond.
All this stuff makes my head hurt, but kudos once again to Neil.
Bill