TED Talksのインスタグラム(ted) - 4月17日 07時06分

This odd-looking device, made from used cell phones, can help save the rainforest from deforestation. It filters out the roar of a chainsaw from the chatter of rainforest wildlife to identify where illegal loggers are working. When it detects loggers, it sends an alert to nearby authorities. “It's really tempting to come up with a super-crazy, high-tech solution,” says Topher White, the founder of Rainforest Connection. “But in the rainforest, it has to be simple.” To learn more, head to go.ted.com/treephone and follow @rainforestcx

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