Nah, Barry, he’s using a technique that’s been introduced in third world coutries – using reflected/concentrated sunlight’s heating and UV properties to make potable water by killing the bacteria and other organisms that might be in it.
Take a look at – https://en.wikipedia.org/wiki/Solar_water_disinfection
You have to use those nasty plastic bottles for the task because regular glass blocks UV.
Nah, Barry, he’s using a technique that’s been introduced in third world coutries – using reflected/concentrated sunlight’s heating and UV properties to make potable water by killing the bacteria and other organisms that might be in it.
Take a look at – https://en.wikipedia.org/wiki/Solar_water_disinfection
You have to use those nasty plastic bottles for the task because regular glass blocks UV.