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  - WN.COM - Science - 26/Jun 22:00

Your outdated tech might be a ‘goldmine’

In 2025, it’s not uncommon for a typical household to have a drawer overflowing with discarded phones and cables. But this graveyard of circuitry isn’t just a static memorial to past tech trends. For those willing to put in the effort, each of those old iPhones and micro USB cables still contains a small amount of valuable metals and minerals—including gold. Researchers estimate that a single printed circuit board can contain around 200–900 mg of gold per kilogram. The actual extraction of those precious metals from discarded tech is a labor-intensive process. Historically, it has often required the use of highly toxic chemicals like cyanide and mercury, which can be harmful both...

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newmarkettoday.ca - 00:50

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wn.com - 01:45

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Disastrous collapse of cyanide-soaked ore at Yukon mine happened in seconds: report

wn.com - 01:45

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