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Tokyo Olympics 2020 medals are made of your old phones — Here's how

According to the Tokyo 2020 Medal Project, some 32 kg of gold, 3,500 kg of silver, and 2,200 kg of bronze were extracted from the recycled devices
Last Updated : 31 July 2021, 07:58 IST

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Published 31 July 2021, 06:36 IST

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