The iPhone 6 is almost here and the preorders are piling up. But what do you really know about the insides of the iPhone 6, or any smartphone for that matter? A typical smartphone contains about 300 milligrams of silver and 30 milligrams of gold. Not to mention small amounts of extremely rare elements like praseodymium, gadolinium and terbium.
And what's with this 'ion-strengthened glass' that Apple is bragging about? It's all about the potassium bath your phone takes before it rolls off the assembly line.