Portable Water Purifiers

Is it possible for the sun to provide the only source of power for a complete water purification system in a portable bag? Until now we would not give the idea much thought. But why not? We make “sun tea” where you put tea bags in a container of water and place the container outside in the sun to naturally brew the tea. So why not utilize the power of the sun to filter … [Read more...] about Puralytic: Solar Bag Technology for Water Purification