# Ideas **URL:** https://community.wolfram.com/c/ideas/5.md [Latest](https://community.wolfram.com/latest.md) · [Categories](https://community.wolfram.com/categories.md) · [Tags](https://community.wolfram.com/tags.md) --- ## [Using Mathematica AI to Determine if a Solar Image has Spots](https://community.wolfram.com/t/using-mathematica-ai-to-determine-if-a-solar-image-has-spots/28450)
**Author:** [@gag0002](https://community.wolfram.com/u/gag0002)\ **Replies:** 0\ **Last updated:** [October 30, 2026, 8:05pm UTC](https://community.wolfram.com/t/using-mathematica-ai-to-determine-if-a-solar-image-has-spots/28450 "2026-10-30T20:05:39Z")
We use NASA Solar Dynamics Observatory data that used the Helioseismic and Magnetic Imager’s intensity data for full disk solar images. SDO was launched into orbit in February 2010. We wentGo the NASA SDO Data Page to o… --- ## [A locally invertible hypergraph rule as a toy model of information loss in conformal cyclic cosmology](https://community.wolfram.com/t/a-locally-invertible-hypergraph-rule-as-a-toy-model-of-information-loss-in-conformal-cyclic-cosmology/28448)
**Author:** [@edwinrosero](https://community.wolfram.com/u/edwinrosero)\ **Replies:** 0\ **Last updated:** [October 30, 2026, 5:39pm UTC](https://community.wolfram.com/t/a-locally-invertible-hypergraph-rule-as-a-toy-model-of-information-loss-in-conformal-cyclic-cosmology/28448 "2026-10-30T17:39:48Z")
Repository: github.com/walkthroughwonder/discrete-jacobian · Archive: doi.org/10.5281/zenodo.21630926 Summary In July I posted a Wolfram model rule, the splice rule {{a,a},{b,c}} -\> {{a,b},{c,a}} that is locally inve… --- ## [Concentration distributions with a position-dependent diffusion coefficient](https://community.wolfram.com/t/concentration-distributions-with-a-position-dependent-diffusion-coefficient/28434)
**Author:** [@binoushousam](https://community.wolfram.com/u/binoushousam)\ **Replies:** 0\ **Last updated:** [October 27, 2026, 1:11pm UTC](https://community.wolfram.com/t/concentration-distributions-with-a-position-dependent-diffusion-coefficient/28434 "2026-10-27T13:11:57Z")
Open in Wolfram Cloud ↗ --- ## [Distributions for a concentration-dependent diffusion coefficient](https://community.wolfram.com/t/distributions-for-a-concentration-dependent-diffusion-coefficient/28429)
**Author:** [@binoushousam](https://community.wolfram.com/u/binoushousam)\ **Replies:** 0\ **Last updated:** [October 27, 2026, 12:11pm UTC](https://community.wolfram.com/t/distributions-for-a-concentration-dependent-diffusion-coefficient/28429 "2026-10-27T12:11:27Z")
Open in Wolfram Cloud ↗ --- ## [Transient heat conduction in a solid sphere with convective surface cooling](https://community.wolfram.com/t/transient-heat-conduction-in-a-solid-sphere-with-convective-surface-cooling/28410)
**Author:** [@binoushousam](https://community.wolfram.com/u/binoushousam)\ **Replies:** 0\ **Last updated:** [October 25, 2026, 5:39pm UTC](https://community.wolfram.com/t/transient-heat-conduction-in-a-solid-sphere-with-convective-surface-cooling/28410 "2026-10-25T17:39:13Z")
Open in Wolfram Cloud ↗ --- ## [Transient heat conduction in a sphere with constant surface temperature](https://community.wolfram.com/t/transient-heat-conduction-in-a-sphere-with-constant-surface-temperature/28407)
**Author:** [@binoushousam](https://community.wolfram.com/u/binoushousam)\ **Replies:** 0\ **Last updated:** [October 25, 2026, 8:28am UTC](https://community.wolfram.com/t/transient-heat-conduction-in-a-sphere-with-constant-surface-temperature/28407 "2026-10-25T08:28:37Z")
Open in Wolfram Cloud ↗ --- ## [Transient heat conduction in a solid cylinder with convective surface cooling](https://community.wolfram.com/t/transient-heat-conduction-in-a-solid-cylinder-with-convective-surface-cooling/28406)
**Author:** [@binoushousam](https://community.wolfram.com/u/binoushousam)\ **Replies:** 0\ **Last updated:** [October 25, 2026, 6:41am UTC](https://community.wolfram.com/t/transient-heat-conduction-in-a-solid-cylinder-with-convective-surface-cooling/28406 "2026-10-25T06:41:09Z")
Open in Wolfram Cloud ↗ --- ## [Transient heat conduction in a long cylinder with constant surface temperature](https://community.wolfram.com/t/transient-heat-conduction-in-a-long-cylinder-with-constant-surface-temperature/28401)
**Author:** [@binoushousam](https://community.wolfram.com/u/binoushousam)\ **Replies:** 0\ **Last updated:** [October 24, 2026, 3:45pm UTC](https://community.wolfram.com/t/transient-heat-conduction-in-a-long-cylinder-with-constant-surface-temperature/28401 "2026-10-24T15:45:09Z")
Open in Wolfram Cloud ↗ --- ## [Spinning cricket ball demo for teaching students about centre of mass](https://community.wolfram.com/t/spinning-cricket-ball-demo-for-teaching-students-about-centre-of-mass/28389)
**Author:** [@kasturi01](https://community.wolfram.com/u/kasturi01)\ **Replies:** 0\ **Last updated:** [October 22, 2026, 6:08pm UTC](https://community.wolfram.com/t/spinning-cricket-ball-demo-for-teaching-students-about-centre-of-mass/28389 "2026-10-22T18:08:32Z")
My teachers played an important role in helping me enjoy physics. When I was at school, digital tools were not part of our everyday learning. Through thoughtful explanations, my teachers helped us imagine complex physica… --- ## [History improves out-of-sample prediction in cyclic porcine brain-tissue mechanics](https://community.wolfram.com/t/history-improves-out-of-sample-prediction-in-cyclic-porcine-brain-tissue-mechanics/28365)
**Author:** [@Adamoli](https://community.wolfram.com/u/Adamoli)\ **Replies:** 2\ **Last updated:** [October 22, 2026, 5:30am UTC](https://community.wolfram.com/t/history-improves-out-of-sample-prediction-in-cyclic-porcine-brain-tissue-mechanics/28365 "2026-10-22T05:30:00Z")
This study examines whether instantaneous displacement alone is sufficient to predict force during cyclic compression–tension of porcine brain tissue. Using ten samples from a publicly available Zenodo dataset, we compa… --- ## [Dandeline spheres parabola case final version](https://community.wolfram.com/t/dandeline-spheres-parabola-case-final-version/28383)
**Author:** [@alatorre](https://community.wolfram.com/u/alatorre)\ **Replies:** 0\ **Last updated:** [October 21, 2026, 4:45pm UTC](https://community.wolfram.com/t/dandeline-spheres-parabola-case-final-version/28383 "2026-10-21T16:45:52Z")
Open in Wolfram Cloud ↗ --- ## [Brownian dynamics of FENE dumbbells in start-up of steady shear flow](https://community.wolfram.com/t/brownian-dynamics-of-fene-dumbbells-in-start-up-of-steady-shear-flow/28382)
**Author:** [@binoushousam](https://community.wolfram.com/u/binoushousam)\ **Replies:** 0\ **Last updated:** [October 21, 2026, 2:58pm UTC](https://community.wolfram.com/t/brownian-dynamics-of-fene-dumbbells-in-start-up-of-steady-shear-flow/28382 "2026-10-21T14:58:14Z")
Open in Wolfram Cloud ↗ --- ## [Non-isothermal laminar-flow tubular reactor: Chebyshev orthogonal collocation solution with finite-difference validation](https://community.wolfram.com/t/non-isothermal-laminar-flow-tubular-reactor-chebyshev-orthogonal-collocation-solution-with-finite-difference-validation/28379)
**Author:** [@binoushousam](https://community.wolfram.com/u/binoushousam)\ **Replies:** 0\ **Last updated:** [October 21, 2026, 8:21am UTC](https://community.wolfram.com/t/non-isothermal-laminar-flow-tubular-reactor-chebyshev-orthogonal-collocation-solution-with-finite-difference-validation/28379 "2026-10-21T08:21:05Z")
Open in Wolfram Cloud ↗ --- ## [Dentelée of a curve: computational geometry methods for curvilinear edge analysis](https://community.wolfram.com/t/dentelee-of-a-curve-computational-geometry-methods-for-curvilinear-edge-analysis/28375)
**Author:** [@alatorre](https://community.wolfram.com/u/alatorre)\ **Replies:** 0\ **Last updated:** [October 20, 2026, 3:53pm UTC](https://community.wolfram.com/t/dentelee-of-a-curve-computational-geometry-methods-for-curvilinear-edge-analysis/28375 "2026-10-20T15:53:33Z")
Open in Wolfram Cloud ↗ DOWNLOAD-DESKTOP-NOTEBOOK.nb (73.3 KB) --- ## [Two-component equilibrium-dispersive chromatography with a linear isotherm: NDSolve vs. Chebyshev orthogonal collocation](https://community.wolfram.com/t/two-component-equilibrium-dispersive-chromatography-with-a-linear-isotherm-ndsolve-vs-chebyshev-orthogonal-collocation/28374)
**Author:** [@binoushousam](https://community.wolfram.com/u/binoushousam)\ **Replies:** 0\ **Last updated:** [October 20, 2026, 2:52pm UTC](https://community.wolfram.com/t/two-component-equilibrium-dispersive-chromatography-with-a-linear-isotherm-ndsolve-vs-chebyshev-orthogonal-collocation/28374 "2026-10-20T14:52:48Z")
Open in Wolfram Cloud ↗ --- ## [Linear chromatography of two solutes: numerical solution and moment-matched Gaussian peaks](https://community.wolfram.com/t/linear-chromatography-of-two-solutes-numerical-solution-and-moment-matched-gaussian-peaks/28372)
**Author:** [@binoushousam](https://community.wolfram.com/u/binoushousam)\ **Replies:** 0\ **Last updated:** [October 20, 2026, 10:18am UTC](https://community.wolfram.com/t/linear-chromatography-of-two-solutes-numerical-solution-and-moment-matched-gaussian-peaks/28372 "2026-10-20T10:18:22Z")
Open in Wolfram Cloud ↗ --- ## [Circular hyperbolic cubic: a geometric envelope construction](https://community.wolfram.com/t/circular-hyperbolic-cubic-a-geometric-envelope-construction/28370)
**Author:** [@alatorre](https://community.wolfram.com/u/alatorre)\ **Replies:** 0\ **Last updated:** [October 19, 2026, 6:48pm UTC](https://community.wolfram.com/t/circular-hyperbolic-cubic-a-geometric-envelope-construction/28370 "2026-10-19T18:48:04Z")
Open in Wolfram Cloud ↗ DOWNLOAD-DESKTOP-NOTEBOOK.nb (91.9 KB) --- ## [Three geometric constructions of the Devil's curve](https://community.wolfram.com/t/three-geometric-constructions-of-the-devils-curve/28360)
**Author:** [@alatorre](https://community.wolfram.com/u/alatorre)\ **Replies:** 0\ **Last updated:** [October 18, 2026, 4:20pm UTC](https://community.wolfram.com/t/three-geometric-constructions-of-the-devils-curve/28360 "2026-10-18T16:20:19Z")
Open in Wolfram Cloud ↗ DOWNLOAD-DESKTOP-NOTEBOOK.nb (214.0 KB) --- ## [The law of corresponding states for hydrocarbons : the two-phase region](https://community.wolfram.com/t/the-law-of-corresponding-states-for-hydrocarbons-the-two-phase-region/28359)
**Author:** [@binoushousam](https://community.wolfram.com/u/binoushousam)\ **Replies:** 0\ **Last updated:** [October 18, 2026, 9:44am UTC](https://community.wolfram.com/t/the-law-of-corresponding-states-for-hydrocarbons-the-two-phase-region/28359 "2026-10-18T09:44:34Z")
Open in Wolfram Cloud ↗ DOWNLOAD-DESKTOP-NOTEBOOK.nb (875.6 KB) --- ## [Diffusion into a falling liquid film (solid dissolution)](https://community.wolfram.com/t/diffusion-into-a-falling-liquid-film-solid-dissolution/28355)
**Author:** [@binoushousam](https://community.wolfram.com/u/binoushousam)\ **Replies:** 0\ **Last updated:** [October 17, 2026, 9:38am UTC](https://community.wolfram.com/t/diffusion-into-a-falling-liquid-film-solid-dissolution/28355 "2026-10-17T09:38:59Z")
Open in Wolfram Cloud ↗ DOWNLOAD-DESKTOP-NOTEBOOK.nb (490.4 KB) --- ## [Packing an ellipse inside an isosceles triangle](https://community.wolfram.com/t/packing-an-ellipse-inside-an-isosceles-triangle/28339)
**Author:** [@fkampas](https://community.wolfram.com/u/fkampas)\ **Replies:** 0\ **Last updated:** [October 14, 2026, 7:30pm UTC](https://community.wolfram.com/t/packing-an-ellipse-inside-an-isosceles-triangle/28339 "2026-10-14T19:30:00Z")
Open in Wolfram Cloud ↗ --- ## [Three-component chromatographic separation: equilibrium-dispersive model with competitive langmuir isotherms](https://community.wolfram.com/t/three-component-chromatographic-separation-equilibrium-dispersive-model-with-competitive-langmuir-isotherms/28328)
**Author:** [@binoushousam](https://community.wolfram.com/u/binoushousam)\ **Replies:** 0\ **Last updated:** [October 13, 2026, 9:24am UTC](https://community.wolfram.com/t/three-component-chromatographic-separation-equilibrium-dispersive-model-with-competitive-langmuir-isotherms/28328 "2026-10-13T09:24:44Z")
Open in Wolfram Cloud ↗ DOWNLOAD-DESKTOP-NOTEBOOK.nb (403.6 KB) --- ## [The Delanges trisectrix and its inversion to Dürer's folium](https://community.wolfram.com/t/the-delanges-trisectrix-and-its-inversion-to-durers-folium/28324)
**Author:** [@alatorre](https://community.wolfram.com/u/alatorre)\ **Replies:** 0\ **Last updated:** [October 12, 2026, 10:18pm UTC](https://community.wolfram.com/t/the-delanges-trisectrix-and-its-inversion-to-durers-folium/28324 "2026-10-12T22:18:57Z")
Open in Wolfram Cloud ↗ --- ## [Albert Dürer folium](https://community.wolfram.com/t/albert-durer-folium/28312)
**Author:** [@alatorre](https://community.wolfram.com/u/alatorre)\ **Replies:** 0\ **Last updated:** [October 11, 2026, 10:05pm UTC](https://community.wolfram.com/t/albert-durer-folium/28312 "2026-10-11T22:05:15Z")
Open in Wolfram Cloud ↗ --- ## [Eigenvalues for diffusion in a plane sheet with surface evaporation: Crank’s Table 4.2 via NDSolve](https://community.wolfram.com/t/eigenvalues-for-diffusion-in-a-plane-sheet-with-surface-evaporation-crank-s-table-4-2-via-ndsolve/28303)
**Author:** [@binoushousam](https://community.wolfram.com/u/binoushousam)\ **Replies:** 0\ **Last updated:** [October 10, 2026, 7:48pm UTC](https://community.wolfram.com/t/eigenvalues-for-diffusion-in-a-plane-sheet-with-surface-evaporation-crank-s-table-4-2-via-ndsolve/28303 "2026-10-10T19:48:59Z")
Open in Wolfram Cloud ↗ --- ## [Roots of the cylinder uptake equation from a stirred solution of limited volume](https://community.wolfram.com/t/roots-of-the-cylinder-uptake-equation-from-a-stirred-solution-of-limited-volume/28302)
**Author:** [@binoushousam](https://community.wolfram.com/u/binoushousam)\ **Replies:** 0\ **Last updated:** [October 10, 2026, 4:32pm UTC](https://community.wolfram.com/t/roots-of-the-cylinder-uptake-equation-from-a-stirred-solution-of-limited-volume/28302 "2026-10-10T16:32:54Z")
Open in Wolfram Cloud ↗ --- ## [AILAND: topological invariants in protein folding and visuo-postural reset](https://community.wolfram.com/t/ailand-topological-invariants-in-protein-folding-and-visuo-postural-reset/28163)
**Author:** [@Adamoli](https://community.wolfram.com/u/Adamoli)\ **Replies:** 1\ **Last updated:** [October 9, 2026, 11:48am UTC](https://community.wolfram.com/t/ailand-topological-invariants-in-protein-folding-and-visuo-postural-reset/28163 "2026-10-09T11:48:01Z")
Within the H\_0 framework, complex dynamical systems — whether polypeptide chains or neuromuscular feedback loops — are represented as high-dimensional hypergraphs. Structural relaxation corresponds to a topological contr… --- ## [Evolving the full strategy space from “Games between Programs”](https://community.wolfram.com/t/evolving-the-full-strategy-space-from-games-between-programs/28293)
**Author:** [@seanmcclure](https://community.wolfram.com/u/seanmcclure)\ **Replies:** 0\ **Last updated:** [October 8, 2026, 5:57pm UTC](https://community.wolfram.com/t/evolving-the-full-strategy-space-from-games-between-programs/28293 "2026-10-08T17:57:22Z")
In Games between Programs, Stephen Wolfram enumerated every strategy a small finite-state machine can encode for the iterated Prisoner’s Dilemma and ranked them by average payoff against all others. Following a suggestio… --- ## [\[WSG24\] Daily Study Group: Guiding Principles for Systems Modeling and Simulation](https://community.wolfram.com/t/wsg24-daily-study-group-guiding-principles-for-systems-modeling-and-simulation/23831)
**Author:** [@ankitn](https://community.wolfram.com/u/ankitn)\ **Replies:** 67\ **Last updated:** [October 5, 2026, 4:36pm UTC](https://community.wolfram.com/t/wsg24-daily-study-group-guiding-principles-for-systems-modeling-and-simulation/23831 "2026-10-05T16:36:59Z")
A Wolfram U Daily Study Group focusing on modeling principles applicable to dynamic systems begins on the 9th of April. Join @Vedat Senol, @Sergio Vargas, me and a group of fellow learners to learn modeling principle… --- ## [Hügelschäffer egg](https://community.wolfram.com/t/hugelschaffer-egg/28264)
**Author:** [@alatorre](https://community.wolfram.com/u/alatorre)\ **Replies:** 0\ **Last updated:** [October 5, 2026, 2:59pm UTC](https://community.wolfram.com/t/hugelschaffer-egg/28264 "2026-10-05T14:59:16Z")
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