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Energy ranking—
Titanium energy—
Crust abundance—
USSR cheap-titanium—
The metals, ranked by energy
highWhy titanium was cheap in the USSR
highThe takeaway for materials thinking
mediumEnergy & cost comparison
| Metal | Energy (kWh/kg) | Crust abundance | Reference cost |
|---|
Thesis verification scorecard
| Thesis | Verdict | Evidence |
|---|
Standing caveats
Methodology
Every claim traces to the numbered research pages in the Research Wiki; external calls are logged in the local query-cache registry (.cache/registry/). The corpus is indexed in the project RAG store — query it with rag_query before re-fetching anything.