2 papers
physics.soc-ph2026
Will AstroForge Collapse the PGM Market?
Robert T. Nachtrieb, Steven J. Smith
AstroForge seeks to mine platinum group metals (PGM) from asteroids. Asteroid reserves appear to be unlimited, and at current market price the gross margin of asteroid mining would…
physics.soc-ph2026
AI Hastens Limits to Exponential Growth
Robert T. Nachtrieb, Steven J. Smith
At any sustained positive growth rate of energy demand, depletion of all terrestrial energy resources, including non-renewable deuterium fusion and renewable solar, occurs within a…