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A treatment plant in Japan has been processing effluent to recover small quantities of gold contained in sewage. And in one year it's produced a higher yield than you might expect from a gold mine. [...] it involves incinerating the digested poop sludge and processing the ash--recent gold salvage figures reached about 1.9kg of gold per ton of ash. It's earned the Nagano prefecture a total of $168,000 over the last fiscal year.

原文出自Fast Company

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  • 正如林一峰話齋,閱讀,也是一種 state of mind。
  • 所以不限文字,還有聲音影像一切雜崩能東西,都在涉獵反思消化乾坤大挪移之列。
  • 看重的只有一個字:Insight


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