As soon as the video went viral, a rush to buy old SIM cards began on second-hand platforms.
A viral video by Qiao, a professional refiner in Guangdong, China, shows him extracting 191g of gold worth ₹28 lakhs from two tonnes of e-waste. Experts warn that while SIM cards contain gold, the ...
Breakthroughs, discoveries, and DIY tips sent six days a week. Terms of Service and Privacy Policy. Chemists are paving a road to recycle discarded SIM cards, not for ...
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