Over 25 metals are hiding in the world’s 9 billion smartphones. We traveled the globe to learn how they’re harvested, from lithium for batteries to silver for circuit boards and sensors.
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00:00 - Intro
00:22 - Gold
12:03 - Lithium
24:44 - Silver
39:37 - Graphite
48:44 - Mica
58:05 - Tin
01:09:10 - Cobalt
01:15:07 - Copper
01:16:21 - Credits
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How Rare Metals Power The World’s 9 Billion Phones | Business Insider Marathon | Business Insider