These days it seems like everyone has a smartphone. We use them to check our emails, and social media, play games, send texts and even make the occasional phone call, but what do you really know about the insides of your smartphone?
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.