Fine tune of Granite 4.1 with Unsloth on local hardware to convert model from "instruct" to full "reasoning/thinking".
Other versions below; however this version is the strongest, smartest and has the best reasoning.
Context: 128k
Suggest: Temp 1, Topp: .95, Minp .05, rep pen 1 (off) OR for creative 1.05 to 1.1, min context of 8k.
Enjoy ;
TECH NOTE:
The "lm_head" was split from the "embed" to improve training and quant performance prior to training.
For GGUF quants, this will allow you to set the "output tensor" at bf16 and get stronger performance overall.
BENCHMARKS by Nightmedia:
arc-c arc/e boolq hswag obkqa piqa wino
This model:
Granite-4.1-30B-Claude-4.6-Opus-Thinking-Charles-Xavier
mxfp8 0.573,0.761,0.876,...
Granite-4.1-30B-Claude-4.6-Opus-Thinking-Xavier
mxfp8 0.563,0.739,0.879,0.722,0.430,0.779,0.723
Granite-4.1-30B-Claude-4.6-Opus-Thinking-X
qx64-hi 0.526,0.696,0.894,...
- BASE UNTUNED MODEL -
granite-4.1-30b
mxfp8 0.456,0.572,0.897,0.621,0.444,0.757,0.616
granite-4.1-30b
qx64-hi 0.462,0.582,0.896,0.642,0.448,0.769,0.600
EXAMPLE GENERATION:
[Q4ks, non imatrix]
NOTE: Some formatting lost.
Nighttime Radiative Cooling Strategies
User
Explain 10 ways (in extensive detail) to use the "night" time cooling of radiant energy into space to reduce global temperatures. Include charts, and tables.
Assistant
<think>
Analyze the Request:
Topic: Using "night" time cooling of radiant energy into space to reduce global temperatures.
Format: 10 ways, extensive detail, include charts and tables.
Technical Feasibility: This is a complex problem involving thermodynamics, atmospheric physics, engineering, and environmental impact.
Brainstorming Concepts/Methods:
Direct Radiation: Maximizing the Earth's ability to radiate heat directly into space (lowering the "greenhouse blanket").
Surface Modification: Changing the Earth's surface albedo or emissivity.
Atmospheric Engineering: Altering the atmosphere to allow more infrared radiation to escape.
Artificial Structures: Using engineered structures to enhance radiative cooling.
Phase Change & Storage: Using materials that absorb heat during the day and release it at night via radiation.
Atmospheric Layers: Focusing on the stratosphere vs. troposphere.
Idea: Paint roofs white or use reflective materials. At night, the roof stays cooler and radiates heat faster.
Mechanism: Reduces solar absorption during the day, lowers surface temperature at night, enhances thermal radiation (Stefan-Boltzmann Law: $P = \epsilon \sigma A T^4$).
Method 2: Dark Sky Preservation (Reducing Light Pollution).
Idea: Artificial light scatters in the atmosphere and traps heat. Reducing light pollution allows more heat to escape.
Mechanism: Less upward scattering of visible light; less atmospheric heating; clearer "window" for infrared radiation.
Idea: Materials that reflect solar radiation (short wavelengths) but emit thermal radiation efficiently (mid-infrared) through atmospheric "transparency windows" (8-13 microns).
Mechanism: Solar heating is minimized; thermal emission is maximized where the atmosphere is relatively transparent.
Method 4: Desert-Based Radiative Cooling Arrays.
Idea: Deploy large, reflective sheets or panels in deserts at night to radiate heat directly into space.
Mechanism: Deserts are cold and dry at night, reducing atmospheric absorption. Panels are designed with high emissivity in the IR window.
Method 5: Greenhouse Gas Reduction (Atmospheric Engineering).
Idea: Reducing CO2, CH4, and N2O reduces the "infrared trap."
Mechanism: Less greenhouse gases = more infrared radiation escapes at night.
Chart: Temperature vs. time profile for PCM vs. standard concrete.
Method 9: High-Altitude Heat Pumps:
Physics: Carnot efficiency, elevation temperature gradient.
Table: "Altitude vs. Temperature" (Stratosphere ~ -50 to -70°C).
Chart: Heat pump cycle diagram.
Method 10: Ocean Floating Reflectors:
Physics: Water has high specific heat; reducing evaporation reduces latent heat.
Table: "Ocean vs. Land Cooling Efficiency."
Chart: Night-time ocean surface temperature with and without covers.
Refining and Polishing:
Ensure all technical terms are explained (e.g., emissivity, albedo, Stefan-Boltzmann Law).
Make sure the "Night" aspect is emphasized for each method.
Structure the response to be readable (headings, bullet points, tables).
Note: Actual scientific research on some of these (like floating platforms) is ongoing, so I will frame them as "theoretically feasible" but outline the science.
Final Review against Constraints:
Topic: Checked.
Count: 10 ways.
Detail: Yes.
Charts/Tables: Yes, for each method where applicable.
Execution (Writing the Response):(Proceed to generate the output based on this plan.)
</think>
Here are 10 scientifically grounded methods for leveraging nighttime radiant cooling to mitigate global warming. Each method includes a detailed explanation, mechanisms, pros/cons, and visual aids to clarify the concepts.
1. Cool Roofs (High-Albedo Roofing Materials)
Concept: White or reflective roofs reduce solar absorption during the day and cool faster at night, radiating stored heat into space.
Mechanism:
Solar Albedo: Dark roofs absorb 90% of sunlight; cool roofs reflect 70–90%.
Stefan-Boltzmann Law: Night-time cooling is governed by $P = \epsilon \sigma A T^4$, where $\epsilon$ is emissivity. Higher $\epsilon$ means faster cooling. White roofs have $\epsilon$ of 0.85–0.90.
Concept: Inject reflective sulfur particles into the stratosphere to reflect solar radiation during the day, leading to a cooler Earth that radiates more efficiently at night.
Mechanism:
Solar Dimming: Sulfate particles scatter sunlight, reducing solar energy entering the system.
Night-time Cooling: Less solar energy means less heat is trapped, allowing the surface to cool faster after sunset.
Advantages:
Rapid climate response (within 1–2 years).
Proven by volcanic eruptions (e.g., Mount Pinatubo, 1991).
7. Phase Change Material (PCM) Integration in Infrastructure
Concept: Embed thermally responsive materials in building materials, roads, or ships to absorb excess heat during the day and release it at night via radiation.
Mechanism:
Latent Heat: PCM stores energy during the phase transition (solid to liquid) without a temperature rise.
Night-time Release: At night, PCM solidifies, releasing stored heat. If the building is designed to radiate efficiently (high-emissivity coatings), the heat escapes to space instead of warming the room.
Advantages:
Reduces building energy consumption by 20–40%.
Works in existing structures.
Disadvantages:
Limited energy storage capacity compared to geothermal solutions.
Concept: Use energy to pump heat from the Earth's surface to the upper stratosphere (20–30 km altitude), where the temperature is extremely low, allowing the heat to radiate into space.
Mechanism:
Temperature Gradient: The surface is ~15°C; the stratosphere is -50°C.
Efficiency: Carnot Efficiency $= 1 - (T_{\text{cold}}/T_{\text{hot}})$. With $T_{\text{hot}} = 288K$ and $T_{\text{cold}} = 223K$, the theoretical efficiency is ~23%.
Energy Input: Requires renewable energy to avoid offsetting benefits.
Advantages:
Directly moves heat out of the troposphere, where greenhouse gases trap it.
Reducing global temperatures by enhancing nighttime radiative cooling is a multi-faceted challenge requiring a combination of surface engineering, atmospheric management, and greenhouse gas reduction. While some methods like cool roofs and urban greening are immediately implementable, others like high-altitude heat pumps and ocean films remain in the research and prototyping phase. A balanced approach across these strategies will be necessary to mitigate climate change effectively.
