Boats are the legendary “money pit” of DIY projects! Start (really) small with this 15-inch mini yacht, a simple and worthy pond sailer that’s rigged and scaled like a real yacht. You can buildit in a weekend even if you don’t know your bowser from your keel. #RegattaDay
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テッポウエビが発する「プラズマ衝撃波」を再現するロボットハサミ、米研究者らが開発
Using nature to grow batteries
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