This DIY Fog Catcher Harvests Water from the Air

Fog-catching technologies have been used for centuries to gather moisture in deserts; we've even explored how they might mitigate the effects of drought. But the issue with introducing them into our cities is a matter of scale: Fog catchers need to be particularly large to catch a significant amount of water, and it's not like we can go draping the city in tarps just to harvest a few trickles.