What’s a smartphone made of? – Kim Preshoff
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What’s a smartphone made of? – Kim Preshoff

What kinds of valuable rare minerals are in a smartphone? Take a closer look and consider the sustainability of phone production.

As of 2018, there are around 2.5 billion smartphone users in the world. If we broke open all the newest phones and split them into their component parts, that would produce around 85,000 kg of gold, 875,000 of silver, and 40,000,000 of copper. How did this precious cache get into our phones–and can we reclaim it? Kim Preshoff investigates the sustainability of phone production.

Lesson by Kim Preshoff, directed by Compote Collective.

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View full lesson: https://ed.ted.com/lessons/what-s-a-smartphone-made-of-kim-preshoff

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