December 2010
103 posts
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The true cost of your new Christmas laptop? Ask... →
Inside the laptop on which I’m writing this column are tiny quantities of tin used to solder parts on the circuit board. I’ve used my mobile roughly 20 times in the course of my research, calling the US, the Democratic Republic of Congo and researchers in London; I know it’s the small element of another crucial mineral, tantalum, that ensures that my mobile phone doesn’t lose its memory when...
