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Tag Archives: rare earth
Solar PV cells using rare elements unlikely to scale up enough to replace fossil fuels
[ Sunshine may be free, but the materials to make solar contraptions aren’t. Since sunshine arrives in a diluted form (2500 kWh/m2), vast expanses of solar photovoltaic panels will be needed to produce the world’s 15 Terawatts of power that … Continue reading
Posted in Alternative Energy Resources, Limits To Growth, Photovoltaic Solar, Rare Minerals
Tagged gallium, indium, photovoltaic, PV, rare earth, Ruthenium, solar, tellurium
Comments Off on Solar PV cells using rare elements unlikely to scale up enough to replace fossil fuels
Rare Earth Hypothesis: Why intelligent life is rare in the Universe
Wiki has an article about the Rare Earth Hypothesis, which argues that the origin of life and the evolution of biological complexity such as sexually reproducing, multicellular organisms on Earth (and, subsequently, human intelligence) required an improbable combination of astrophysical … Continue reading
Posted in Extinction
Tagged peter ward, rare earth
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China controls over 90% of rare earth mineral production
Michael Klare, in “The Race for what’s left” said the Chinese control up to 97% of the production of some of these minerals. Byron King in China’s Leg Up in the Rare Earths Market writes: “Basically, rare earths are exotic … Continue reading
Posted in Antecedents, Important Minerals, Rare Minerals
Tagged china, dysprosium, lanthanum, neodymium, rare earth, terbium
Comments Off on China controls over 90% of rare earth mineral production
John Gribbin, Astrophysicist. If we destroy ourselves, a grave injustice to the universe
Below are a few paragraphs from Hirshfeld’s excellent book review of: John Gribbin. 2011. Alone in the Universe: Why Our Planet Is Unique. Humans are a miracle of blood, bone, and brain, a volatile mixture of compassion and brutality … Continue reading
Posted in World's Best Scientists
Tagged extinction, john gribbin, rare earth
Comments Off on John Gribbin, Astrophysicist. If we destroy ourselves, a grave injustice to the universe
