Energy-harvesting design aims to turn Wi-Fi signals into usable power

Article URL: https://news.mit.edu/2020/energy-harvesting-wi-fi-power-0327

Comments URL: https://news.ycombinator.com/item?id=22707948

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UN chief:16 armed groups have responded to cease-fire appeal

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Sixteen armed groups have responded positively to Secretary-General Antonio Guterres’ appeal for a global cease-fire to tackle the coronavirus pandemic, but the U.N. chief said Thursday that mistrust remains high and turning intentions into an end to hostilities is difficult. According to an informal tally kept by the U.N. based on various sources, the 16 armed groups that responded positively are from Yemen, Myanmar, Ukraine, Philippines, Colombia, Angola, Libya, Senegal, Sudan, Syria, Indonesia and Nagorno-Karabakh. Guterres said his special representatives and envoys are working, with his own involvement when necessary, “to turn expressed intentions into effective cease-fires.” from Yahoo News - Latest News & Headlines https://ift.tt/2WfZj8N
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