# LOGIDIAS - Free Interactive 3D Science Simulators, Virtual Labs & STEM Education
> LOGIDIAS (logidias.com) is a 100% free, no-signup, bilingual (Spanish & English) interactive web platform with 40 browser-based 3D STEM simulators, 84 solved lab worksheets, and 30 long-form science articles powered by WebGL, Three.js, physics engines, and WebAssembly.

## Key Portals & Feeds
- **Main Portal (ES)**: https://www.logidias.com/
- **English Portal (EN)**: https://www.logidias.com/en/
- **Simulators Catalog (ES / EN)**: https://www.logidias.com/proyectos/ | https://www.logidias.com/en/proyectos/
- **Science Blog (ES / EN)**: https://www.logidias.com/blog/ | https://www.logidias.com/en/blog/
- **Weekly arXiv Frontier Radar (ES / EN)**: https://www.logidias.com/blog/radar-arxiv.html | https://www.logidias.com/en/blog/radar-arxiv.html
- **Full Technical Catalog (RAG / Deep Context)**: https://www.logidias.com/llms-full.txt
- **Canonical XML Sitemap**: https://www.logidias.com/sitemap.xml
- **RSS Feeds**: https://www.logidias.com/rss.xml | https://www.logidias.com/en/rss.xml

## Platform Specifications
- **Author & Engineer**: Ruben Rodríguez
- **Access Policy**: 100% Free, Zero Sign-Up, Zero Paywalls, Runs Natively in Desktop & Mobile Browsers
- **Curriculum Alignment**: Primaria, ESO, Bachillerato, EBAU/PAU (ES) · K-5, Middle School, High School AP/IB, College STEM (US/Global)

## Science, Physics, Chemistry, Biology & Space (3D Virtual Labs)
- [AeroAcademia](https://www.logidias.com/proyectos/aeroacademia.html) ([EN](https://www.logidias.com/en/proyectos/aeroacademia.html) | [Solved Lab Guide](https://www.logidias.com/en/simuladores/flight-physics-aerodynamics-simulator.html)): Free 3D aerodynamic wind tunnel simulator: test NACA airfoils, lift-drag polar curves, stall angles, and multistage rockets in browser
- [AstroAcademia](https://www.logidias.com/proyectos/astroacademia.html) ([EN](https://www.logidias.com/en/proyectos/astroacademia.html) | [Solved Lab Guide](https://www.logidias.com/en/simuladores/3d-solar-system-simulator.html)): Interactive 3D Solar System simulator: model Kepler's planetary orbits, Newton's gravity, escape velocity, and space telemetry free online
- [AstroAtlas](https://www.logidias.com/proyectos/astroatlas.html) ([EN](https://www.logidias.com/en/proyectos/astroatlas.html) | [Solved Lab Guide](https://www.logidias.com/en/simuladores/3d-star-map-constellations-atlas.html)): Interactive 3D star map and planetarium: explore all 88 IAU constellations, H-R diagram, stellar parallax, and deep space free online
- [BioAcademia](https://www.logidias.com/proyectos/bioacademia.html) ([EN](https://www.logidias.com/en/proyectos/bioacademia.html) | [Solved Lab Guide](https://www.logidias.com/en/simuladores/3d-cell-genetics-dna-simulator.html)): Interactive 3D eukaryotic & prokaryotic cell simulator: explore organelles, DNA replication, codons, and Mendelian genetics free online
- [BodyAcademia](https://www.logidias.com/proyectos/bodyacademia.html) ([EN](https://www.logidias.com/en/proyectos/bodyacademia.html) | [Solved Lab Guide](https://www.logidias.com/en/simuladores/interactive-human-body-3d-simulator.html)): Interactive 3D human body atlas: inspect organs, skeleton, nervous system, cardiac output, and blood pressure free online
- [Cosmo Astronauta](https://www.logidias.com/proyectos/cosmo_astronauta.html) ([EN](https://www.logidias.com/en/proyectos/cosmo_astronauta.html) | [Solved Lab Guide](https://www.logidias.com/en/simuladores/astronaut-spacewalk-mission-simulator.html)): Pilot an Apollo Lunar Module in 3D under Moon gravity (1
- [Dinopedia](https://www.logidias.com/proyectos/dinopedia.html) ([EN](https://www.logidias.com/en/proyectos/dinopedia.html) | [Solved Lab Guide](https://www.logidias.com/en/simuladores/interactive-3d-dinosaurs-encyclopedia.html)): Free 3D dinosaur encyclopedia: explore Triassic, Jurassic, and Cretaceous fossils, real body scales, and stride speed physics
- [Laboratorio de Explosiones](https://www.logidias.com/proyectos/explosiones.html) ([EN](https://www.logidias.com/en/proyectos/explosiones.html) | [Solved Lab Guide](https://www.logidias.com/en/simuladores/shockwave-thermodynamics-blast-simulator.html)): Simulate supersonic shockwaves, Hopkinson-Cranz cube-root scaling, Mach stem, and overpressure attenuation free in 3D
- [Familia Capibara](https://www.logidias.com/proyectos/familia_capibara.html) ([EN](https://www.logidias.com/en/proyectos/familia_capibara.html) | [Solved Lab Guide](https://www.logidias.com/en/simuladores/interactive-capybara-fauna-ecosystem.html)): Manage interactive wetland ecosystems: explore food webs, Lindeman's 10% trophic pyramid, and population dynamics free online
- [FisiAcademia](https://www.logidias.com/proyectos/fisiacademia.html) ([EN](https://www.logidias.com/en/proyectos/fisiacademia.html) | [Solved Lab Guide](https://www.logidias.com/en/simuladores/newtons-laws-classical-mechanics-simulator.html)): Interactive physics simulator: projectile motion, pendulums, Newton's laws, collisions, electromagnetism & optics free in browser
- [FluidLab](https://www.logidias.com/proyectos/fluidlab.html) ([EN](https://www.logidias.com/en/proyectos/fluidlab.html) | [Solved Lab Guide](https://www.logidias.com/en/simuladores/fluid-physics-simulator.html)): Free browser Navier-Stokes CFD simulator (no sign up): interactive wind tunnel airfoils, Venturi tube, Bernoulli & vortex shedding
- [MateAcademia](https://www.logidias.com/proyectos/mateacademia.html) ([EN](https://www.logidias.com/en/proyectos/mateacademia.html) | [Solved Lab Guide](https://www.logidias.com/en/simuladores/3d-spatial-geometry-calculus-simulator.html)): Free 3D graphing calculator & math lab: visualize z=f(x,y) surfaces, gradients, Riemann integrals, and Fourier series in browser
- [Materia3D](https://www.logidias.com/proyectos/materia3d.html) ([EN](https://www.logidias.com/en/proyectos/materia3d.html) | [Solved Lab Guide](https://www.logidias.com/en/simuladores/interactive-3d-periodic-table.html)): Interactive 3D Periodic Table of 118 elements: inspect s,p,d,f quantum orbitals, Pauling electronegativity, and bonding free online
- [QuimAcademia](https://www.logidias.com/proyectos/quimacademia.html) ([EN](https://www.logidias.com/en/proyectos/quimacademia.html) | [Solved Lab Guide](https://www.logidias.com/en/simuladores/chemical-reactions-lab-simulator.html)): Free online chemistry simulator: balance stoichiometric reactions, test pH titration curves, ideal gases PV=nRT & elements without sign up
- [Bosque de Números](https://www.logidias.com/proyectos/bosque_numeros.html) ([EN](https://www.logidias.com/en/proyectos/bosque_numeros.html) | [Solved Lab Guide](https://www.logidias.com/en/simuladores/elementary-math-arithmetic-adventure.html)): Learn multiplication tables, fractions, prime numbers, LCM and GCD in an interactive browser adventure for kids

## Engineering, Aviation, Sports Physics & AI
- [AeroGalicia](https://www.logidias.com/proyectos/aeropuertos.html) ([EN](https://www.logidias.com/en/proyectos/aeropuertos.html) | [Solved Lab Guide](https://www.logidias.com/en/simuladores/air-traffic-control-radar-simulator.html)): Command real-time ATC radar: assign headings, IFR separation, crosswind drift correction, and ILS approaches free in your browser
- [Estudio CATOBAR](https://www.logidias.com/proyectos/analisis_catobar.html) ([EN](https://www.logidias.com/en/proyectos/analisis_catobar.html) | [Solved Lab Guide](https://www.logidias.com/en/simuladores/aircraft-carrier-catobar-simulator.html)): Simulate naval EMALS catapult launches, G-loads, and arresting wire landings on modern carriers free in 3D WebGL
- [Atletismo Stats](https://www.logidias.com/proyectos/atletismo_stats.html) ([EN](https://www.logidias.com/en/proyectos/atletismo_stats.html) | [Solved Lab Guide](https://www.logidias.com/en/simuladores/athletics-sprint-biomechanics-simulator.html)): Analyze 100m sprint speed, stride frequency, ground reaction forces, Hill's curve, and VO2max free in your browser
- [Cazas Data](https://www.logidias.com/proyectos/aviones.html) ([EN](https://www.logidias.com/en/proyectos/aviones.html) | [Solved Lab Guide](https://www.logidias.com/en/simuladores/flight-cockpit-aircraft-simulator.html)): Compare F-22, F-35, Su-57, and Rafale in interactive 3D: thrust-to-weight, radar telemetry, load factor G-turns, and IFR free online
- [Fútbol Legends](https://www.logidias.com/proyectos/futbol_legends.html) ([EN](https://www.logidias.com/en/proyectos/futbol_legends.html) | [Solved Lab Guide](https://www.logidias.com/en/simuladores/football-legends-3d-simulator.html)): Free 3D football physics lab: curve free kicks via the Magnus effect, model drag ballistics, and test Expected Goals (xG) online
- [LearnBasket](https://www.logidias.com/proyectos/learnbasket.html) ([EN](https://www.logidias.com/en/proyectos/learnbasket.html) | [Solved Lab Guide](https://www.logidias.com/en/simuladores/3d-basketball-tactics-board.html)): Free 3D basketball playbook & shooting arc calculator: design Pick & Roll plays and optimize rim entry angles in browser
- [Leyendas Baloncesto](https://www.logidias.com/proyectos/leyendas_baloncesto.html) ([EN](https://www.logidias.com/en/proyectos/leyendas_baloncesto.html) | [Solved Lab Guide](https://www.logidias.com/en/simuladores/basketball-projectile-trajectory-simulator.html)): Compare basketball legends and calculate True Shooting (TS%), eFG%, and expected points per possession free online
- [PromptMaster](https://www.logidias.com/proyectos/promptmaster.html) ([EN](https://www.logidias.com/en/proyectos/promptmaster.html) | [Solved Lab Guide](https://www.logidias.com/en/simuladores/ai-prompt-engineering-simulator.html)): Interactive AI Prompt Engineering lab: test BPE tokenization, Softmax temperature, Top-P sampling, and Chain-of-Thought free online

## History, Geography & Geolocation
- [Edad Antigua](https://www.logidias.com/proyectos/edad_antigua.html) ([EN](https://www.logidias.com/en/proyectos/edad_antigua.html) | [Solved Lab Guide](https://www.logidias.com/en/simuladores/ancient-civilizations-3d-simulator.html)): Explore Egyptian pyramids, Roman aqueducts, Greek city-states, and Mesopotamia in interactive 3D free online
- [Edad Contemporánea](https://www.logidias.com/proyectos/edad_contemporanea.html) ([EN](https://www.logidias.com/en/proyectos/edad_contemporanea.html) | [Solved Lab Guide](https://www.logidias.com/en/simuladores/industrial-revolution-steam-engine-simulator.html)): Interactive 3D Industrial Revolution lab: explore Watt's steam engine, Carnot thermal efficiency, and railways free online
- [Edad Media](https://www.logidias.com/proyectos/edad_media.html) ([EN](https://www.logidias.com/en/proyectos/edad_media.html) | [Solved Lab Guide](https://www.logidias.com/en/simuladores/medieval-castles-siege-physics-simulator.html)): Explore medieval castles, counterweight trebuchet physics, Gothic architecture, and feudalism in free 3D online
- [Edad Moderna](https://www.logidias.com/proyectos/edad_moderna.html) ([EN](https://www.logidias.com/en/proyectos/edad_moderna.html) | [Solved Lab Guide](https://www.logidias.com/en/simuladores/age-of-discovery-naval-navigation-simulator.html)): Interactive Early Modern Era simulator: practice celestial navigation by sextant, caravels, and Renaissance discoveries free online
- [GeoGame](https://www.logidias.com/proyectos/geogame.html) ([EN](https://www.logidias.com/en/proyectos/geogame.html) | [Solved Lab Guide](https://www.logidias.com/en/simuladores/world-flags-capitals-geography-quiz.html)): Master all 195 world flags, capitals, continents, and population demographics in a free interactive browser geography quiz
- [HistoMundo](https://www.logidias.com/proyectos/histomundo.html) ([EN](https://www.logidias.com/en/proyectos/histomundo.html) | [Solved Lab Guide](https://www.logidias.com/en/simuladores/interactive-world-history-timeline-simulator.html)): Explore World History from 3300 BCE to today with a synchronized 3D timeline, civilizations atlas, and demographics free online
- [Juego Global](https://www.logidias.com/proyectos/juego_global.html) ([EN](https://www.logidias.com/en/proyectos/juego_global.html) | [Solved Lab Guide](https://www.logidias.com/en/simuladores/3d-world-political-map-geography-game.html)): Play free multiplayer science, geography, history, and culture trivia online with Elo rating and streak probability in browser
- [LOCALIZATOR](https://www.logidias.com/proyectos/localizator.html) ([EN](https://www.logidias.com/en/proyectos/localizator.html) | [Solved Lab Guide](https://www.logidias.com/en/simuladores/free-geoguessr-game-localizator.html)): 100% free GeoGuessr alternative (no sign up): play 360° street-view duels, NMPZ mode, and compute geodesic distances online
- [Prehistoria](https://www.logidias.com/proyectos/prehistoria.html) ([EN](https://www.logidias.com/en/proyectos/prehistoria.html) | [Solved Lab Guide](https://www.logidias.com/en/simuladores/human-evolution-prehistory-simulator.html)): Explore Paleolithic, Neolithic, human evolution, and Carbon-14 radiometric dating in interactive 3D free online

## Strategy, Puzzles & Interactive Physics Games
- [Monstruito](https://www.logidias.com/proyectos/aventura_monstruito.html) ([EN](https://www.logidias.com/en/proyectos/aventura_monstruito.html) | [Solved Lab Guide](https://www.logidias.com/en/simuladores/coding-logic-game-for-kids.html)): Educational 2D platformer teaching jump parabolas, gravity timing, and sequential logic puzzles for kids free in browser
- [Peonzas Extremas](https://www.logidias.com/proyectos/buyblade.html) ([EN](https://www.logidias.com/en/proyectos/buyblade.html) | [Solved Lab Guide](https://www.logidias.com/en/simuladores/market-economy-supply-demand-simulator.html)): 3D rotational physics arena: simulate moment of inertia (I=½mr²), angular momentum L=Iω, precession, and elastic collisions free online
- [ChessSchool](https://www.logidias.com/proyectos/chessschool.html) ([EN](https://www.logidias.com/en/proyectos/chessschool.html) | [Solved Lab Guide](https://www.logidias.com/en/simuladores/online-chess-puzzles.html)): Play chess vs AI bots (Tesla, Darwin, Ada) & solve tactics powered by real-time Stockfish WebAssembly free in browser
- [Cuatro en Línea](https://www.logidias.com/proyectos/conecta4_linea.html) ([EN](https://www.logidias.com/en/proyectos/conecta4_linea.html) | [Solved Lab Guide](https://www.logidias.com/en/simuladores/connect-4-game-minimax-ai.html)): Play Connect 4 free against a Minimax AI with Alpha-Beta pruning: inspect game tree depth and combinatorial logic in browser
- [GYMKANATOR](https://www.logidias.com/proyectos/gymkanator.html) ([EN](https://www.logidias.com/en/proyectos/gymkanator.html) | [Solved Lab Guide](https://www.logidias.com/en/simuladores/educational-escape-room-puzzle-generator.html)): Create interactive educational escape rooms, digital locks, Caesar ciphers, and timed STEM quests free online without sign up
- [Retro Ski](https://www.logidias.com/proyectos/retro_ski.html) ([EN](https://www.logidias.com/en/proyectos/retro_ski.html) | [Solved Lab Guide](https://www.logidias.com/en/simuladores/ski-slope-friction-physics-simulator.html)): Classic arcade ski slope physics simulator: decompose gravity (mg·sinθ), kinetic snow friction (μk), and terminal velocity free online
- [SPYDY GAME](https://www.logidias.com/proyectos/spydygame.html) ([EN](https://www.logidias.com/en/proyectos/spydygame.html) | [Solved Lab Guide](https://www.logidias.com/en/simuladores/pendulum-swing-physics-gravity-game.html)): Free 2D pendulum swing physics game: experiment with mechanical energy conservation, nadir centripetal tension, and ballistic release
- [Sudoku Party](https://www.logidias.com/proyectos/sudoku_party.html) ([EN](https://www.logidias.com/en/proyectos/sudoku_party.html) | [Solved Lab Guide](https://www.logidias.com/en/simuladores/scientific-sudoku-online.html)): Play free online Sudoku without ads while learning combinatorial logic, Latin squares, constraint satisfaction (CSP), and backtracking