Rare earths are also essential to a host of green machines, including hybrid cars and wind turbines. Magnets made with them are much more powerful than conventional magnets and weigh less that's one reason so many electronic devices have gotten so small. The list of things that contain rare earths is almost endless. But deposits large and concentrated enough to be worth mining are indeed rare. A handful of dirt from your backyard would probably contain a smidgen, maybe a few parts per million. Rare earths, as the elements are called, were discovered beginning in the late 1. Yet many of the high- tech devices we depend on-cell phones, laptops, and hundreds of others-would not exist without an obscure group of elements mined, sometimes illegally, in those three and other regions of China. ![]() ![]() Most of us would be hard- pressed to locate Inner Mongolia, Jiangxi, or Guangdong on a map. Rare Earth Elements - Pictures, More From National Geographic Magazine. The earliest sale on the list (Vase with Fifteen Sunflowers by. This is the collection of most expensive painting or the highest known prices ever paid for painting. ![]() The magnificent, baroque-style palace and museum. The Louvre is the world’s largest museum and houses one of the most impressive art collections in history.
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