Class C: known-physics large engineering¶

Filter technologies and open study resources

Classifications are provisional imported judgments, not independently verified feasibility findings.

Technologies¶

15 technologies.

• Permanent lunar base (SPA, C): Logistics, radiation, maintenance, economics
• Asteroid mining (SPA, C): Handling, processing, transport economics
• Rotating artificial-gravity habitats (SPA, C): Scale, structures, human factors
• Orbital habitats (SPA, C): Closed loops, radiation, logistics
• O'Neill-style cylinders (SPA, C): Industrial scale, ecology, governance
• Permanent Mars settlement (SPA, C): Radiation, logistics, maintenance, economics
• Fusion propulsion (ENE, C): Specific power, confinement, heat, mass
• Laser-sail interstellar probes (SPA, C): Beam pointing, sail materials, comms
• Bounded self-replicating factories (ROB, C): Closure, error, containment
• Large-scale climate engineering (ENE, C): Deep uncertainty, reversibility, geopolitics
• Artificial planetary magnetospheres/planetary engineering (SPA, C): Scale, energy, space infrastructure
• Terraforming primitives (SPA, C): Timescale, irreversibility, evolution
• Space elevator (SPA, C): Material strength, dynamics, debris, construction
• Orbital ring (SPA, C): Megastructure control, construction, debris
• Dyson-swarm precursor economy (SPA, C): Self-expanding industry, logistics, governance