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Bug Collects Microscopic Water Droplets from the Fog

Bug Collects Microscopic Water Droplets from the Fog
Namib beetle elevates its back to collect fog water and channel it into its mouth
Namib beetle lives in African deserts where water is extremely rare. In fact, it’s hardly found anywhere other than in the ocean breeze (fog) that pays a visit once per day early in the morning. To survive, the bug collects microscopic water droplets from the fog by sticking its back out in the air.
The back of the insect is covered in tiny hydrophilic bumps that attract water droplets from the fog. Water droplets condense on the bumps and roll down the back into the insect’s mouth. The surface of the beetle’s back is extremely hydrophobic (repels water), so as soon as the droplet comes off the bump it has no choice but to roll down in the direction of the incline.

Bug Collects Microscopic Water Droplets from the Fog Desert beetle elevates its back to collect fog water and channel it into its mouth

Pretty cool, isn’t it?
Inspired by this bug, a team of engineers in Boston are developing materials that mimic the way the insect extracts water from the ocean breeze. The researchers hope to bring their products to industrial scale.
Bug Collects Microscopic Water Droplets from the Fog 
Desert beetle elevates its back to collect fog water and channel it into its mouth

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