SPEED DEMON: Almost instant (300-500 t/s) AI (smart) generation thinking or instruct on all devices.
LFM2-12B-A1B-SpeedDemon-High-Intelligence-Series-B
Fine tune of EXPANDED "LFM2-8B-A1B" to "LFM2-12B-A1B" (almost 50%, custom scripting) using Unsloth using custom dataset(s), 128k context in 16 bit precision.
Expands base model from 24 to 32 layers, 256 to 342 tensors to give the model both more knowledge and brainpower.
This model is a sparse mixture of experts model (32) with 4 experts activated.
Speed exceeds 50-100 t/s on CPU // 200 t/s on most cards // 400 t/s + on 5090 at QUANT Q6K [4 experts].
One example generation below.
Can also be used on phones // mobile devices.
IN HOUSE BENCHMARKS [by Nightmedia]:
arc-c arc/e boolq hswag obkqa piqa wino
LFM2-12B-A1B-High-Intelligence-Series-B
bf16 0.485,0.680,0.768,0.697,0.398,0.748,0.614
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BASE UNTUNED MODEL:
LFM2-8B-A1B
mxfp8 0.460,0.575,0.829,0.624,0.394,0.711,0.567
EXAMPLE GENERATION: [4 experts, Q6K]
10 ways to use radiant cooling to space to reduce global temperatures
System
User
Explain 10 ways (in extensive detail) to use the "night" time cooling of radiant energy into space to reduce global temperatures. Include facts, figures and charts.
Assistant
Great question. Using radiant energy loss to space as a cooling lever is a proven, science-backed approach. Here are 10 concrete, detailed ways to do it—from simple principles to implementable, scalable ideas. I’ll include specifics: how much heat we can remove, how much it would cool the planet, and where to start.
- Increase outgoing longwave infrared (OLR) by modifying the top of the atmosphere (TOA) emissivity
- Principle:
- The Earth radiates heat via OLR (5–50 μm), and this is the only way heat leaves the Earth system on short timescales.
- By increasing TOA emissivity to 1 (perfect blackbody), we can maximize OLR without changing surface temperature much—this is a “radiative forcing” approach.
- What we can do:
- Deploy lightweight reflectors, mirrors, or thin-film radiative coatings above the atmosphere (in space or in stratospheric balloons).
- These “radiative shells” reflect less heat to space; thus, more heat is emitted by the Earth to the same radiative flux.
- Over the entire Earth surface, this can increase OLR by 5–10% without surface warming.
- Figures and figures:
- If the Earth is currently radiating at 240 W/m² (global mean), a 5% increase in OLR corresponds to 12 W/m² more heat loss.
- This corresponds to a global cooling of ~0.1°C (based on climate sensitivity).
- If we use high-emissivity space mirrors (similar to solar reflectors but optimized for 5–50 μm), we can increase OLR to 260–280 W/m².
- This is feasible using thin (10–50 m) polymer films or micro-satellite constellations of reflective elements.
- Chart:
- OLR vs. TOA emissivity:
- Current OLR: 240–250 W/m²
- With high emissivity (1): 260–280 W/m²
- OLR increase: 5–10%
- Estimated temperature change: 0.1–0.2°C globally.
- OLR vs. TOA emissivity:
- Use space-based sunshades to lower the effective Earth temperature
- Principle:
- A small shadow (blocking sunlight) doesn’t cool directly; it reduces absorbed solar radiation.
- But by reflecting more sunlight back to space before it hits the Earth (like a giant solar sail), we reduce the Earth’s “effective temperature” without needing to cool the surface directly.
- What we can do:
- Deploy a constellation of sunshades (solar sails) in Earth orbit at L1 (Lagrangian point).
- The shaded Earth receives less sunlight, so less heat is absorbed and re-emitted at higher temperatures.
- This is a “cooling by reduction,” not just by emission.
- Figures and figures:
- To lower global mean temperature by 0.2°C, we need a radiative forcing of ~30 W/m².
- If we block 1 W/m² of sunlight, we reduce Earth’s internal heat by ~1 W/m².
- So to achieve the same effect as blocking 1 W/m², we need a sunshade system that shades the Earth equivalent to 30 W/m².
- A solar sail at L1 (~1.5 million km away) can provide this shading.
- Chart:
- Solar radiation at Earth: ~340 W/m² (shortwave).
- If we reduce that by 1 W/m², global average temperature drops by 0.2–0.3°C.
- A sunshade system with 30 W/m² shading gives equivalent cooling.
- Enhance atmospheric radiative cooling using selective infrared “sky windows”
- Principle:
- The atmosphere is transparent in certain IR bands (5–8 μm, 14–19 μm) that connect to cold space (~270 K).
- By reducing atmospheric opacity in those bands (using nanostructured materials, particulates, or cloud modification), more heat can escape.
- What we can do:
- Introduce atmospheric particles or thin films that selectively absorb/reflect in the 5–8 μm and 14–19 μm bands.
- This is like “opening” radiative windows that are currently underutilized.
- Figures and figures:
- Studies show that selectively enhancing 5–8 μm and 14–19 μm IR emission can increase OLR by up to 10–15%.
- This corresponds to a temperature drop of ~0.3–0.4°C globally.
- Chart:
- Current OLR: 240 W/m²
- With enhanced radiative cooling: 250–265 W/m²
- OLR increase: 5–15%
- Temperature drop: 0.3–0.4°C (scales with increase).
- Deploy cold space radiators in Earth orbit
- Principle:
- Satellites in space have no convective heat loss, so they rely on radiative cooling to space.
- If we build radiators with very high emissivity (ε > 0.95) at the same temperature as the Earth’s surface, they can reject the Earth’s thermal energy directly.
- What we can do:
- Launch and assemble radiators in near-Earth orbits (e.g., GEO) that radiate heat from Earth.
- This is a “cold reservoir” approach: Earth sends heat to a colder satellite, which then radiates to space.
- Figures and figures:
- A radiator of 1 km² at 300 K radiates ~80 W/m².
- If we build a constellation of radiators covering several km², they could remove hundreds of MW to GW of heat.
- This is equivalent to a very large, steady radiative cooling flux.
- Chart:
- Current Earth OLR: 240 W/m²
- If radiators reject 300 W/m² at 300 K, this is additional cooling.
- Total: 240–300 W/m².
- Temperature drop would be ~0.15–0.3°C, depending on efficiency.
- Use the radiative cooling of cold surfaces and materials at night
- Principle:
- Cold surfaces (rooftops, pavement, satellites, etc.) radiate to space at night.
- If we use high-radiative-efficiency materials at night, we can boost this to its maximum.
- What we can do:
- Use materials with high emissivity (ε > 0.8) in urban areas for daytime radiative cooling.
- Extend this principle to night: ensure that radiating surfaces stay cooler relative to the space temperature (which can be 200–270 K at night).
- This increases the temperature gradient for radiation, boosting cooling.
- Figures and figures:
- Typical city surface temperature at night: 290 K.
- Space temperature: ~270–280 K.
- Temperature gradient: ~10–20 K.
- Radiative cooling power: ~10–50 W/m² (varies by surface).
- With advanced materials, this can be increased by 30–50%.
- Chart:
- Nighttime radiative cooling (current, with cool surfaces):
- 5–15 W/m²/m² (varies by city).
- With optimized materials (e.g., high ε, low IR reflectivity):
- Up to 50 W/m²/m².
- Over the entire Earth: ~500–1500 MW to GW more heat loss.
- Temperature drop: ~0.2–0.5°C, depending on location.
- Nighttime radiative cooling (current, with cool surfaces):
- Exploit radiative cooling of radiative cooling panels (radiative cooling devices)
- Principle:
- Specialized panels reflect sunlight during the day and radiate heat to space at night.
- If we deploy these at scale across hot regions, they can reduce local and global temperatures.
- What we can do:
- Build solar panels that also act as radiative cooling panels: they reflect sunlight during the day and emit to space at night.
- Use them in deserts and urban heat islands.
- Figures and figures:
- A radiative cooling panel can drop surface temperature by 5–10°C relative to ambient.
- In a large solar farm of 10 km², with 50% panel coverage and 50% cooling, we could remove ~100–200 MW of heat continuously.
- Chart:
- Temperature drop in cooling zone: 5–10°C
- Heat removed: ~10–200 MW per 10 km² per hour of cooling
- Global scaling (for 1% of cities/roofs): ~1–5 GW of radiative cooling
- This could cool ~0.5–2°C locally, translating to 0.05–0.3°C globally.
- Enhance the cold sky window by reducing atmospheric opacity in 5–8 μm and 14–19 μm bands
- Principle:
- As above: the Earth can lose heat at 5–8 μm (sunshine) and 14–19 μm (cold sky) bands.
- The 14–19 μm band is especially good for cooling because the atmosphere is much clearer here than in shorter wavelengths.
- What we can do:
- Use thin, high-emissivity films in space or high-altitude platforms to reflect sunlight back to space but not block outgoing IR in 14–19 μm.
- This enhances radiative cooling without disturbing daytime solar energy absorption.
- Figures and figures:
- With selective 14–19 μm window enhancement, OLR can increase by up to 10–15% without changing surface temperature much.
- Chart:
- Current OLR: 240 W/m²
- With enhanced window cooling: 250–265 W/m²
- OLR increase: 5–15%
- Temperature drop: 0.3–0.4°C globally.
- Use space-based radiative cooling satellites with high emissivity
- Principle:
- Dedicated satellites that are optimized for IR emission at space temperatures can act as “sinks” for heat from Earth.
- What we can do:
- Launch constellations of small satellites with high-emissivity (ε > 0.98) surfaces and radiators that are tuned to 10–30 μm.
- This increases the Earth’s total heat loss to space.
- Figures and figures:
- A 1 km² radiative cooling satellite can emit up to 1 GW continuously.
- If we deploy a constellation of 10 km² each, we could remove 10 GW–100 GW of heat continuously.
- Chart:
- Current OLR: 240 W/m²
- With 10 GW of additional radiative cooling (scaled up):
- OLR: ~260–300 W/m²
- Temperature drop: ~0.5–1.0°C
- This is a large-scale way to use space-based radiative cooling.
- Use stratospheric or space-based mirrors to reduce incoming solar radiation
- Principle:
- If we reduce the total solar irradiance absorbed by Earth, less heat is generated in the system.
- This is indirect cooling (reducing the problem at the source).
- What we can do:
- Deploy a sparse (10% or less of the surface) reflective layer in the stratosphere or in space.
- This reduces solar absorption by 0.5–1% without significantly changing surface temperatures.
- Figures and figures:
- To offset ~0.4 W/m² of anthropogenic forcing, we would need to reduce absorbed solar radiation by ~0.5 W/m².
- This corresponds to ~0.5% reduction in incoming solar radiation.
- Chart:
- Reduced solar irradiance: 340 W/m² → 332 W/m² (0.5%).
- Radiative forcing reduction: 2–3 W/m².
- Global temperature change: 0.1–0.2°C.
- Integrate multiple methods into a global radiative cooling infrastructure
- Principle:
- The most effective strategy is to combine:
- High-radiative-efficiency materials in cities (cool surfaces),
- High-efficiency radiative cooling panels and devices,
- Space-based solar reflectors/sails,
- Space-based radiative cooling satellites,
- and atmospheric opacity manipulation, all working in concert.
- The most effective strategy is to combine:
- What we can do:
- Design cities with optimized materials that enhance nighttime radiative cooling.
- Launch constellations of radiative cooling satellites and mirrors.
- Use atmospheric particles selectively to enhance night sky cooling.
- Monitor and adjust the balance between cooling and surface temperature to stay within desired limits.
- Figures and figures:
- Integrated approach:
- Radiative cooling: ~1 GW/m² globally (from panels, mirrors, and space-based systems).
- Atmospheric opacity enhancement: ~10–50 W/m² more heat loss.
- Total: ~50–100 W/m² more heat loss.
- Current OLR: 240 W/m².
- New OLR: 290–320 W/m².
- Radiative forcing reduction: 10–20 W/m².
- Temperature drop: ~0.5–1.5°C.
- Integrated approach:
If you want, I can:
- Build a specific implementation scenario (e.g., 10 GW cooling, cost estimates, timeline) using the above data points.
- Or compare how this compares to other ideas (nuclear, carbon removal, albedo modification) in terms of cost, speed, and reliability.
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