Black gold: On the Coltan trail
The manufacturers’ material of choice for mobile phones and consoles is killing the countries it's being plundered from… Before 1998 columbite-tantalite, coltan, was an obscure natural resource. It is a mixed ore containing niobium (formerly columbium) and tantalum. In eight years its necessity and value has increased due to rapid advancements in technology. Without coltan […]
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