Counterfactual advanced-tech crop-circle mechanisms (hypothesis).
hypothesishypothesisPhysical Trace & Crop Circles
A suspend-disbelief discovery set (via /hypothesise): IF an advanced intelligence existed, 8 physics-respecting mechanisms that could produce crop-circle-like ground patterns, each with a FALSIFIABLE signature. Explicitly NOT a claim crop circles are alien-made - the documented cause remains human. Subordinate hypothesis branch, kept as a detection-target list.
[COUNTERFACTUAL / HYPOTHESIS] Answers 'if aliens had more advanced tech, what could cause crop circles?' - hard physics kept inviolable, only engineering/cost relaxed. The 8 mechanisms + testable signatures: (1) acoustic standing-wave lodging - bend follows nodal geometry not a path [weeks]; (2) photothermal node ablation - node char, no track [months]; (3) phytohormone-directed lodging - hormone/gene assay = biological not mechanical break [months]; (4) orbital maser node-superheating - node flash-boil/expulsion cavities [years]; (5) engineered MHD plasma vortex - magnetite + node change, the engineered form of Meaden's vortex [years]; (6) EM holographic interference heating - matches computed interference geometry [years]; (7) atmospheric refractive-lens focusing [decades-out]; (8) local gravity/inertial-gradient pressing [decades-out]. Strongest/most-testable: #1-#4 (distinct residues). Weakest: #7-#8 (astronomical energy, untestable now). HONESTY: does NOT compete with the documented human cause; never evidence of ET origin. See research_outputs/crop-circles-althyp.md.