It would come down in cost with economies of scale, and improved production techniques, and... in 20 years, it would be out of patent.
I think there is a moral dilemma when someone creates something immensely valuable, but wants to be paid for it. But... wouldn't a world in which people didn't get paid quickly become rotten? And is it any different from people needing money for life-saving surgery (because the surgeons, hospitals and suppliers all want to be paid). See also the pied piper.
Factual content: there's a camping device for purifying water with ultraviolet light http://www.steripen.com/ but it just kills things, and won't remove salt or arsenic.
Comments
It would come down in cost with economies of scale, and improved production techniques, and... in 20 years, it would be out of patent.
I think there is a moral dilemma when someone creates something immensely valuable, but wants to be paid for it. But... wouldn't a world in which people didn't get paid quickly become rotten? And is it any different from people needing money for life-saving surgery (because the surgeons, hospitals and suppliers all want to be paid). See also the pied piper.
Factual content: there's a camping device for purifying water with ultraviolet light http://www.steripen.com/ but it just kills things, and won't remove salt or arsenic.
how is it superior to simple bleach based purification? http://www.survivaltopics.com/survival/better-than-bleach-us...