Rare earth metals are critical to several modern technologies. See how rare earth production has changed over time in this chart.
Rare earth deposits exist all over the planet, but the majority of the world's rare earth metals are produced and refined in China.
Graphene is harder than diamonds, 300x stronger than steel, flexible, transparent, and a better conductor than copper (by about 1,000x).
How much money is there to be made in asteroid mining? In many cases - the value of an asteroid is measured in the quintillions of...
Aluminum (or aluminium) is the world's most common metal by crustal abundance, making up 8.2% of mass. Aluminum was not isolated all the way until 1827.