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This New Shock-Absorbing Gel Can Withstand Supersonic Impacts. Made from a resilient protein in human cells, the technology could improve body armor, space gear and even cell phone cases. : r/Futurology

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How to Make a 7-Pronged Fishing Pole Spear From Umbrella Ribs​

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PDF) Design-by-Analogy: Exploring for Analogical Inspiration With Behavior, Material, and Component-Based Structural Representation of Patent Databases

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How To Rig Bluewater Traditional Speargun To Breakaway - Neptonics

Sailing around the world on the traditional gaff rigged schooner Windjammer