How These Rare Minerals Will Save Our Planet | Treasure Hunters | Spark
For thousands of years, they lay dormant in the soil until suddenly, they became the driving force behind a technical revolution: rare earths. Researchers drill for new deposits and find more environmentally friendly ways of processing the materials. A fascinating glimpse at cutting-edge research that could make our green technologies of the future even greener.
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Good - Learning some thing useful.... It pays to have a little bit of a break in the hostilities with fucked up and idiotic women.... And to think about what it is to be a man and what you can accomplish with a few good ideas and a bit of hard work to follow it through.
i.e. making white iron by weld deposition.
https://www.quora.com/How-is-t....he-maximum-solubilit