Now: DO NOT patent these - make the plans available all over the world, have them built in places like the Phillipines that can use the income as well as the water.
You could sit in the evening and watch the moths and flies drifting in to the quiet area, then the bats come in to collect 'em. Dunno about closing up without starting your personal zoo.
The first year the show was on, they used to do a lot of their planning on a work-table, with a background of blueprints/diagrams of previous projects. I wrote in to the production company suggesting that they could auction those prints for a good cause, and I'd like to bid on some of them. No answer, nowt.
Not all companies are as jolly. When I was a junior programmer at a ------ manufacturer in Toronto, in 1972, I accidentally cancelled a job running overlong, thus damaging the program library. Dumb stuff from the dumb guy. No forgiveness. Out on the street the same day.
My first thought is whether it can still work its magic with smog, dust particles, bird dirt, all layered on the surface. Or are we going to have to wash our houses, instead of letting Mother Nature do it?