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Why Is an Asteroid Worth $10,000,000,000,000,000,000?
science.howstuffworks.com/psyche-16-asteroid.htm
A distant asteroid made mostly of iron is potentially worth $10,000 quadrillion, making it many times more valuable than the global economy.
How Oil Refining Works
science.howstuffworks.com/environmental/energy/oil-refining.htm
Despite the dangers, oil refineries are essential to society in its current form. Learn how crude oil is converted into everything from butane to gasoline.
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