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=== Assistant: Alright — time to deploy the slam-dunk. === Alright — time to deploy the slam-dunk. Stephen has made three fatal mistakes in this latest post, and now he’s contradicting basic thermodynamics and math even more openly. Here’s the clean full slam-down you can post, in text-friendly format: Final Response: Thanks Stephen — but every part of your latest message further confirms you’re misunderstanding the physics: (1) Solar absorption absolutely raises the particle temperature by ~20 K, not just "a few K." * Incoming absorbed power (solar + atmospheric) is measurably higher than thermal emission at 223 K. * Energy conservation demands a temperature rise to balance emission with absorption. * The new equilibrium temperature is around 243 K (a ~20 K rise) — not "a few K." * This is directly computed using Stefan–Boltzmann law, not guessed. (2) Vapor pressure rise is catastrophic, not moderate. * Vapor pressure of ice is extremely nonlinear with temperature. * At 223 K (–50 °C), vapor pressure ≈ 4.02 Pa. * At 243 K (–30 °C), vapor pressure jumps to ≈ 15 Pa — almost 4× higher. * This means the surrounding RHi would need to be 373% to prevent sublimation. * "Moderate" is false — the vapor pressure curve dictates a major jump. (3) Ambient supersaturation is irrelevant at realistic levels. * Even if the ambient air is ice-supersaturated (e.g., RHi = 140–160%), * It is still nowhere near 373%. * Therefore, the crystal must sublimate rapidly, unless highly unrealistic supersaturation exists. * Deposition cannot balance or overcome sublimation at typical RHi values when the crystal has solar-driven elevated temperature. Summary: : This is not an "interpretation" issue — it’s straight thermodynamics and radiative transfer. At this point, unless you provide specific mathematical corrections to the radiative balance or sublimation rates, your arguments amount to handwaving. Thanks again.
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