Fontus, the self-filling water bottle up on Indiegogo, is the subject of a new video explaining why it won't work efficiently enough to keep people alive.

We tested the best insulated water bottles for cold retention and convenience to keep you hydrated all day. 743K ... but I think you’d have to fill the entire bottle with ice to achieve that longevity ...

Grayl’s Ultralight bottle is a solid option for potable water no matter where you are. Whether you’re using it while backwoods hiking, camping, or globetrotting, the Ultralight filters 99.99% ...

I often fill a double-walled water bottle with cold water for a hike or outdoor pursuit, come back with it unfinished, and find the water still delightfully cold the next day.

Fill the flowerpot or planter about half full or a little less with the bottles. At this point, you have a choice: Many gardeners put in a layer of gravel, pumice, or less expensive dirt to pack ...

Thermoregulation: The cold water was four degrees warmer after 12 hours. The hot water cooled by 50 degrees after six hours. Durability: The low weight of this bottle forces a sacrifice in durability.

Outdoor Innovation, a recognition platform for producers in the outdoor and sports recreation industry, recently announced that London-based Ocean Bottle is the recipient of the “Reusable Water Bottle ...