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Get Off the Grid Now #1: Build Your Own Expandable Solar Power System
It is not nearly as hard to put together a small solar power system for backup electricity for your home as you thought it was. Nor is it as expensive as you thought it was, either. Don't let lack of technical knowledge or money deter you from getting started on your wishes to get off the power grid!
Optimal Design of Permeable Fiber Network Structures for Fog Harvesting
Fog represents a large untapped source of potable water, especially in arid climates. Numerous plants and animals use textural and chemical features on their surfaces to harvest this precious resource. In this work, we investigate the influence of the surface wettability characteristics, length scale, and weave density on the fog-harvesting capability of woven meshes. We develop a combined hydrodynamic and surface wettability model to predict the overall fog-collection efficiency of the meshes a