Solid Rain looks like sugar, and it sells for $25 a pound. And if you’re a bit skeptical of its maker’s claims, we understand. This Mexican product, which bills itself as a miracle powder that could ...

Having the ability to treat water anywhere is a valuable tool, especially in the backcountry, or if you’re unsure you’ll find clean and trustworthy sources. Turning on the spigot to fill a large metal ...

If you leave a clear bottle of water in the sunlight, the ultraviolet rays will kill any harmful microbes in that water, making it drinkable … but it has to sit in the sun for at least six hours. A ...

Do you remember the Stephen Wright joke about powdered water? The one that goes: I bought some powdered water, but I don't know what to add to it. Thanks to the efforts of chemical engineer Sergio ...