“Any sufficiently advanced technology is indistinguishable from magic.” – Arthur C. Clarke

At the San Francisco Exploratorium there is a drinking fountain made from a toilet. It’s a brand new toilet, fed by the cold, pure waters of the California coast range, yet oddly disturbing. Would you bend your head and take refreshment?

It's eerily disturbing to see a drinking fountain made from a toilet.

Modern plumbing must be somewhere near the apex of civilization, carrying away everything smelly and unclean, and freeing us from water-borne disease. Stuff just goes away and we don’t give it another thought. “Water is the universal solvent” my chemistry teacher said.

But water and waste don’t really go away. For much of the world it’s a good rule of thumb to live upstream. Here in Canada, we have the high technology to clean and polish our effluent, and voilà, it’s ready for “recycling”. I’m quite in awe of this process: huge volumes, unusual innovations, and bursts of controversy. Continue reading →