世界上仍有高達 13 億的人口沒有穩定的電力可以使用，有 8 億的人口仰賴高度污染的化石燃料發電（編按：其實連台灣的我們幾乎都是算在這 8 億喔！），一間加拿大公司把腦筋動到了佔地球 70% 面積的「水」身上，最厲害的是在流速極低的流水中也能使用。
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Waterotor 是一款水渦輪發電裝置，跟一般水力發電裝置最大的不同是，只要水可以覆蓋住裝置，就算在每小時只有3.2kph的慢速流水中也可以發電產生能源，換句話說，Waterotor 幾乎可以在任何河流、海洋中運作，不受水流速度的限制。
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如此一來，地球上現在尚未開發的大量水道都可以拿來發電，就能夠過水資源解決化石燃料發電造成的汙染問題。Waterotor 跟一般配有螺旋槳或旋轉葉片的發電系統極為不同，是利用外型波浪狀的滾筒裝置轉動來轉換成能量，除了可以用低速水流發電，同時也能避免水中生物遭捲入機器受傷的意外。
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比起風力發電，Waterotor 更具備全年無休的優勢，邊際經濟效益因此高出不少。Waterotor 團隊花費了 1,400 萬美元的開發，在沒有任何宣傳的情況下就收到 400 萬美元的訂單，目前在百慕達地區已經開始安裝、測試，團隊預計 Waterotor 可以讓四面環海的百慕達擁有終年穩定的乾淨再生能源。
