October 16, 2017

This is Cool: Solar Water Bottle

My daughter sent me a link to this YouTube video, since she knows I like sustainable, low-tech ideas like these. http://www.youtube.com/watch?v=SBWi3NtND68&feature=related Made from 1.5 liter Coke bottles, 2 cap-fuls of bleach and tap water, they are able to provide lighting to people who would otherwise live in the dark.  They are made from recycled materials, are solar powered, and only need replacing every five years.  I think the bleach keeps algae from growing in the tap water, which will eventually […]