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Recent Posts
- Rare Earth updates: recent research on why complex & intelligent life are rare in the Universe
- Book review of “Chip War” and the Fragility of microchips
- The tremendous material and energy toll of the digital economy
- Nuclear attack on U.S. could kill 90% of Americans
- What percent of Americans are rational?
- Book review of Lights Out. A Cyberattack. A Nation Unprepared. Surviving the Aftermath
- Off-Road vehicles & equipment need diesel fuel
- Book review of “Prime Movers of Globalization: the History & Impact of Diesel Engines & Gas Turbines”
- Mental Health. Coping with the future: notes from Jackson & Jensen’s “An Inconvenient Apocalypse”
- Tesla Semi trucks hauling corn chips
- What is the plan for an electric grid outage that lasts for months?
- Where to be? Links to Superfund, hazardous waste and other toxic sites in U.S.
- Why methanol cannot replace petroleum in shipping
- Why is everyone afraid of AI taking over? It makes stuff up!
- Do you want to eat, drink, or fly?
Category Archives: Peak Rare Earth Elements
Electric Swarm Tractors
Preface. In both my books Life After Fossil Fuels: A Reality Check on Alternative Energy & When Trucks Stop Running: Energy and the Future of Transportation, I write that since most “renewables” generate electricity (i.e. wind, solar, nuclear, hydropower, compressed … Continue reading
Not enough rare metals to scale up solar power
Preface. Sunshine may be free, but the materials to make solar contraptions sure aren’t. Since sunshine arrives in a diluted form, vast expanses of solar photovoltaic panels will be needed to produce the world’s 24,000 Terawatt hours of electrical … Continue reading
Posted in Alternative Energy, Mining, Peak Critical Elements, Peak Rare Earth Elements, Photovoltaic Solar, Recycle, Recycling
Tagged gallium, indium, photovoltaic, PV, rare earth, Ruthenium, solar, tellurium
5 Comments
What are rare earth metals and how are they used?
Preface. After oil, the main feature of new products will be drastic simplification. The re-use of existing stuff. Lack of precision machine tools as they rust away. Back to basics: wood, iron, and clay. Yet every high-tech object depends on … Continue reading
Posted in Alternative Energy, Mining, Peak Rare Earth Elements
Tagged gallium, indium, mining, rare earth, solar
Comments Off on What are rare earth metals and how are they used?
Autos need finite rare earth, critical, & precious metals
An electric car uses five times as many minerals as a conventional car (IEA 2020): IEA, Minerals used in selected power generation technologies, IEA, Paris https://www.iea.org/data-and-statistics/charts/minerals-used-in-selected-power-generation-technologies There are 17 rare earth elements (REE) that China controls up to 97% of … Continue reading
Posted in Automobiles, Peak Rare Earth Elements
Tagged Cerium, china, dysprosium, Europium, lanthanum, neodymium, Praseodymium, rare earth, terbium, Yttrium
1 Comment
Batteries use rare, declining, critical, & imported elements from unstable countries
Preface. Since oil and other fossils are finite and emit carbon, the plan is to electrify society with batteries. But doh! Minerals used in batteries are finite too. And dependent on fossil-fuels entirely in their life cycle, from mining trucks … Continue reading
Posted in Batteries, Mining, Peak Critical Elements, Peak Rare Earth Elements
Tagged batteries, peak minerals
7 Comments
High-Tech can’t last: limited essential elements with limited lifespans
There are 17 rare earth elements in the periodic table. About nine of those elements go into every iPhone sold… and if China were suddenly to disappear from a map tomorrow, Apple would lose about 90% of those elements. Source: … Continue reading