The Coating that Makes iPhones Touch Sensitive is Running Out

No, iPhone screens are not magic. They are coated in a transparent material called indium tin oxide that senses when a finger makes contact.

ITO comes from the metal indium, which must be mined. Prices are rising as it becomes more scarce; the U.S. government estimates that from 2010 to 2011, the cost for indium rose by 25 percent. The world could run out altogether in the next decade.

Read full article…

via: GigaOm


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