Humans will do almost anything for gold. In fact, they will even suspend themselves 2.5 miles into the Earth – braving extreme temperatures, armed thieves, and constant seismic activity – just to mine a 30-inch gold reef.
The U.S. national debt currently sits at $19.5 trillion, which is actually such a large number that it is truly difficult for the average person to comprehend.
This particular one shows the total estimated energy consumption in the United States in 2015, and how energy flowed from source to the final destination.
The massive new structure will be the world's biggest building by footprint, and it could possibly be a game-changer for the auto, energy, and battery industries.