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Self-Filling Water Bottle

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11-27-2012, 04:23 PM
The Russian General
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Self-Filling Water Bottle

Heard about it on the radio and thought it was pretty cool.

A US startup is developing a self-filling water bottle that sucks moisture from the atmosphere to create condensation, in the same way the humble Namib desert beetle does.

The beetle, endemic to Africa’s Namib desert — where there is just 1.3cm of rainfall a year — has inspired a fair few proof-of-concepts in the academic community, but this is the first time a self-filling water bottle has been proposed. The beetle survives by collecting condensation from the ocean breeze on the hardened shell of its wings. The shell is covered in tiny bumps that are water attracting (hydrophilic) at their tips and water-repelling (hydrophobic) at their sides. The beetle extends and aims the wings at incoming sea breezes to catch humid air; tiny droplets 15 to 20 microns in diameter eventually accumulate on its back and run straight down towards its mouth.

More at: http://www.wired.com/wiredscience/20...beetle-bottle/

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11-28-2012, 09:42 AM
Victorious Secret
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That'd be an amazing water bottle. Now put some hops in and lets see if we have a re-fillable beer.

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11-28-2012, 11:03 AM
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I seem to recall a "water cooler" design based on similar idea a few years ago. (Perhaps on the DIY channel show "This New House" which looks at new technologies in home construction and other tools.)

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