The power goes out and you need a flashlight, but then you realize you don’t have any batteries, or maybe they’re dead. The Hydralight may be a solution. It’s a flashlight that’s supposed to run on ...

With the official start of spring less than a month away, it's a good idea to have a working flashlight handy. The makers of the Hydralight say it's a flashlight that runs on water. It's powered by a ...