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huéspedes","Infinito","Matemáticas y juegos alucinantes",[94,95,96,97,98,99,100,101],{"track":58,"count":39},{"track":37,"count":25},{"track":44,"count":25},{"track":51,"count":25},{"track":71,"count":25},{"track":78,"count":25},{"track":85,"count":25},{"track":92,"count":25},{"zone":39,"theme":103,"lessons":108,"topics":166},{"key":104,"name":105,"light":106,"dark":107},"firewall-keep","Firewall Keep","#d0451e","#e46a49",[109,114,121,128,135,141,147,153,159],{"stage":39,"step":25,"id":110,"node":111,"title":112,"subtitle":113,"topic":43,"track":44},"the-monty-hall-trap",10,"La trampa de Monty Hall","Cambiar de puerta duplica tus opciones de ganar el coche",{"stage":39,"step":39,"id":115,"node":116,"title":117,"subtitle":118,"topic":119,"track":120},"0-1-0-2-0-3",11,"0.1 + 0.2 ≠ 0.3","Los ordenadores fallan por muy poco en sumas decimales sencillas","Aritmética del ordenador","Dentro del 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datos",{"stage":46,"step":46,"id":194,"node":195,"title":196,"subtitle":197,"topic":198,"track":92},"the-rope-around-the-earth",21,"La cuerda alrededor de la Tierra","Añade un metro a una cuerda que rodea el planeta y se eleva 16 cm por todas partes","Geometría",{"stage":46,"step":53,"id":200,"node":201,"title":202,"subtitle":203,"topic":204,"track":85},"the-invisible-gorilla",22,"El gorila invisible","La mitad de la gente no ve a un gorila que cruza un partido de baloncesto","Atención",{"stage":46,"step":60,"id":206,"node":207,"title":208,"subtitle":209,"topic":210,"track":134},"the-wagon-wheel-effect",23,"El efecto de la rueda de carro","Por qué las ruedas giran hacia atrás en los vídeos","Vídeo",{"stage":46,"step":66,"id":212,"node":213,"title":214,"subtitle":215,"topic":198,"track":92},"the-missing-square",24,"El cuadrado perdido","Recoloca las mismas piezas y aparece un cuadrado de la 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desplazando cada letra tres posiciones","Criptografía clásica","Códigos, criptografía y blockchain",{"stage":53,"step":53,"id":269,"node":270,"title":271,"subtitle":272,"topic":273,"track":267},"counting-letters-breaks-codes",31,"Contar letras rompe códigos","Un sabio del siglo IX rompió los cifrados por sustitución con una tabla de recuento","Criptoanálisis",{"stage":53,"step":60,"id":275,"node":276,"title":277,"subtitle":278,"topic":266,"track":267},"the-unbreakable-cipher-that-broke",32,"El cifrado irrompible que se rompió","El código de Vigenère pasó 300 años con fama de indescifrable",{"stage":53,"step":66,"id":280,"node":281,"title":282,"subtitle":283,"topic":284,"track":267},"the-secret-handshake",33,"El apretón de manos secreto","Dos desconocidos pueden acordar un secreto mientras todo el mundo escucha","Criptografía",{"stage":53,"step":73,"id":286,"node":287,"title":288,"subtitle":289,"topic":290,"track":291},"the-quantum-tunnel",34,"El túnel cuántico","Las partículas pueden cruzar muros que no pueden escalar, y la memoria de tu móvil depende de ello","Física cuántica","Cuántica y relatividad",{"stage":53,"step":80,"id":293,"node":294,"title":295,"subtitle":296,"topic":297,"track":234},"why-your-battery-wears-out",35,"Por qué se desgasta tu batería","El calor, las cargas completas y las baterías vacías son lo que más envejece tu móvil","Almacenamiento de energía",{"stage":53,"step":87,"id":299,"node":300,"title":301,"subtitle":302,"topic":192,"track":120},"why-your-1-tb-drive-shows-931-gb",36,"Por qué tu disco de 1 TB muestra 931 GB","Los fabricantes de discos y los ordenadores cuentan los bytes de forma distinta",[304,305,306,307,308,309],{"track":267,"count":53},{"track":78,"count":25},{"track":127,"count":25},{"track":291,"count":25},{"track":234,"count":25},{"track":120,"count":25},{"zone":60,"theme":311,"lessons":316,"topics":372},{"key":312,"name":313,"light":314,"dark":315},"quantum-foam","Quantum 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estiras","Ingeniería civil","Ingeniería y máquinas",{"stage":60,"step":60,"id":344,"node":345,"title":346,"subtitle":347,"topic":43,"track":44},"spot-the-fake-coin-flips",41,"Caza los lanzamientos falsos","Quien se inventa lanzamientos al azar casi nunca escribe rachas largas",{"stage":60,"step":66,"id":349,"node":350,"title":351,"subtitle":352,"topic":353,"track":51},"your-cards-last-digit-is-a-lie-detector",42,"El último dígito de tu tarjeta es un detector de mentiras","El dígito final del número de una tarjeta comprueba todos los demás","Detección de errores",{"stage":60,"step":73,"id":355,"node":356,"title":357,"subtitle":358,"topic":359,"track":165},"the-1890-census-ran-on-punch-cards",43,"El censo de 1890 funcionó con tarjetas perforadas","Unos agujeros en cartulina contaron un país, y de ahí nació IBM","Historia de la informática",{"stage":60,"step":80,"id":361,"node":362,"title":363,"subtitle":364,"topic":365,"track":291},"the-double-slit-surprise",44,"La sorpresa de la doble rendija","Partículas sueltas forman un patrón que solo deberían crear las ondas","Mecánica cuántica",{"stage":60,"step":87,"id":367,"node":368,"title":369,"subtitle":370,"topic":371,"track":71},"judge-by-your-neighbours",45,"El vecino más cercano","Un elemento nuevo se puede clasificar por los ejemplos que más se le parecen","Aprendizaje automático",[373,374,375,376,377,378,379,380,381],{"track":323,"count":25},{"track":134,"count":25},{"track":37,"count":25},{"track":342,"count":25},{"track":44,"count":25},{"track":51,"count":25},{"track":165,"count":25},{"track":291,"count":25},{"track":71,"count":25},{"zone":66,"theme":383,"lessons":388,"topics":442},{"key":384,"name":385,"light":386,"dark":387},"silicon-dunes","Silicon Dunes","#aa671c","#d27e23",[389,395,401,406,412,418,424,430,436],{"stage":66,"step":25,"id":390,"node":391,"title":392,"subtitle":393,"topic":394,"track":85},"phantom-vibrations",46,"Vibraciones fantasma","La mayoría de usuarios de móvil ha notado una vibración que nunca ocurrió","Psicología digital",{"stage":66,"step":39,"id":396,"node":397,"title":398,"subtitle":399,"topic":400,"track":58},"why-we-only-see-one-side-of-the-moon",47,"Por qué solo vemos una cara de la Luna","La Luna gira sobre sí misma exactamente una vez por órbita","Astronomía",{"stage":66,"step":46,"id":402,"node":403,"title":404,"subtitle":405,"topic":146,"track":92},"the-pigeonhole-trick",48,"El truco del palomar","Si hay más palomas que huecos, una coincidencia oculta está garantizada",{"stage":66,"step":53,"id":407,"node":408,"title":409,"subtitle":410,"topic":411,"track":78},"incognito-isnt-invisible",49,"Incógnito no es invisible","El modo privado oculta tu historial a tu móvil, no a internet","Privacidad en internet",{"stage":66,"step":60,"id":413,"node":414,"title":415,"subtitle":416,"topic":417,"track":127},"the-qr-sticker-scam",50,"La estafa de la pegatina QR","Un código falso pegado sobre el parquímetro manda tu tarjeta a un ladrón","Seguridad en internet",{"stage":66,"step":66,"id":419,"node":420,"title":421,"subtitle":422,"topic":423,"track":267},"change-one-letter-change-everything",51,"Cambia una letra, cambia todo","Un hash es una huella que se transforma por completo ante el mínimo cambio","Hash criptográfico",{"stage":66,"step":73,"id":425,"node":426,"title":427,"subtitle":428,"topic":429,"track":120},"everything-is-binary",52,"Todo es binario","Canciones, fotos y esta misma frase no son más que encendidos y apagados","Sistema binario",{"stage":66,"step":80,"id":431,"node":432,"title":433,"subtitle":434,"topic":435,"track":291},"atoms-are-mostly-empty",53,"Los átomos están casi vacíos","Si un átomo fuera un estadio, el núcleo sería una canica","Física atómica",{"stage":66,"step":87,"id":437,"node":438,"title":439,"subtitle":440,"topic":441,"track":234},"your-fridge-doesnt-make-cold",54,"Tu nevera no fabrica frío","Bombea el calor fuera de la caja y lo suelta en tu cocina","Ingeniería térmica",[443,444,445,446,447,448,449,450,451],{"track":85,"count":25},{"track":58,"count":25},{"track":92,"count":25},{"track":78,"count":25},{"track":127,"count":25},{"track":267,"count":25},{"track":120,"count":25},{"track":291,"count":25},{"track":234,"count":25},{"zone":73,"theme":453,"lessons":458,"topics":510},{"key":454,"name":455,"light":456,"dark":457},"fiber-reef","Fiber Reef","#0b8483","#0ea3a1",[459,465,470,475,481,487,493,498,504],{"stage":73,"step":25,"id":460,"node":461,"title":462,"subtitle":463,"topic":464,"track":120},"the-peanut-butter-robot",55,"El robot de la mantequilla de cacahuete","Programar es dar instrucciones a alguien con cero sentido común","Conceptos de programación",{"stage":73,"step":39,"id":466,"node":467,"title":468,"subtitle":469,"topic":329,"track":134},"why-your-selfie-is-flipped",56,"Por qué tu selfi sale al revés","Tu cámara frontal muestra un espejo y luego guarda la verdad",{"stage":73,"step":46,"id":471,"node":472,"title":473,"subtitle":474,"topic":335,"track":37},"sorting-race",57,"Carrera de ordenación","El método adecuado le gana a un ordenador más rápido",{"stage":73,"step":53,"id":476,"node":477,"title":478,"subtitle":479,"topic":480,"track":323},"light-that-bends-around-corners",58,"La luz que dobla las esquinas","La luz puede quedar atrapada dentro de un hilo de vidrio","Fibra óptica",{"stage":73,"step":60,"id":482,"node":483,"title":484,"subtitle":485,"topic":486,"track":323},"the-undersea-internet",59,"El internet submarino","Casi todos los datos entre continentes viajan por cables en el fondo del océano","Infraestructura de internet",{"stage":73,"step":66,"id":488,"node":489,"title":490,"subtitle":491,"topic":492,"track":342},"crumple-zones",60,"Zonas de deformación","Los coches protegen a las personas aplastándose despacio","Seguridad del automóvil",{"stage":73,"step":73,"id":494,"node":495,"title":496,"subtitle":497,"topic":43,"track":44},"the-gamblers-fallacy",61,"La falacia del jugador","Tras cinco caras, la moneda sigue sin tener memoria",{"stage":73,"step":80,"id":499,"node":500,"title":501,"subtitle":502,"topic":503,"track":51},"barcodes",62,"Códigos de barras","Las rayas blancas y negras son solo números disfrazados","Codificación de datos",{"stage":73,"step":87,"id":505,"node":506,"title":507,"subtitle":508,"topic":509,"track":165},"the-first-website-is-still-online",63,"El primer sitio web sigue en línea","Aún puedes visitar la página que Tim Berners-Lee publicó en 1991","Historia de la web",[511,512,513,514,515,516,517,518],{"track":323,"count":39},{"track":120,"count":25},{"track":134,"count":25},{"track":37,"count":25},{"track":342,"count":25},{"track":44,"count":25},{"track":51,"count":25},{"track":165,"count":25},{"zone":80,"theme":520,"lessons":525,"topics":578},{"key":521,"name":522,"light":523,"dark":524},"pixel-drift","Pixel Drift","#e6127f","#f253a4",[526,532,538,544,550,555,561,566,572],{"stage":80,"step":25,"id":527,"node":528,"title":529,"subtitle":530,"topic":531,"track":323},"finding-a-route",64,"Encontrar una ruta","Los paquetes cruzan el planeta sin que nadie conozca el mapa entero","Redes informáticas",{"stage":80,"step":39,"id":533,"node":534,"title":535,"subtitle":536,"topic":537,"track":71},"youve-been-training-ai-for-free",65,"Llevas años entrenando IA gratis","Aquellos semáforos y pasos de peatones de los CAPTCHA enseñaron a ver a las máquinas","Anotación de datos",{"stage":80,"step":46,"id":539,"node":540,"title":541,"subtitle":542,"topic":543,"track":85},"faces-everywhere",66,"Caras por todas partes","Tu cerebro está tan pendiente de las caras que las encuentra en enchufes y tostadas","Percepción de patrones",{"stage":80,"step":53,"id":545,"node":546,"title":547,"subtitle":548,"topic":549,"track":58},"sixteen-sunrises-a-day",67,"Dieciséis amaneceres al día","La estación espacial da la vuelta a la Tierra cada 90 minutos","Vuelos espaciales",{"stage":80,"step":60,"id":551,"node":552,"title":553,"subtitle":554,"topic":146,"track":92},"the-party-puzzle",68,"El enigma de la fiesta","En cualquier fiesta de seis, tres son todos amigos o todos desconocidos",{"stage":80,"step":66,"id":556,"node":557,"title":558,"subtitle":559,"topic":560,"track":78},"half-the-internet-is-robots",69,"La mitad de internet son robots","Casi la mitad de todo el tráfico web no es humano","Tráfico de internet",{"stage":80,"step":73,"id":562,"node":563,"title":564,"subtitle":565,"topic":140,"track":127},"would-you-plug-it-in",70,"¿La conectarías?","Casi la mitad de las memorias USB abandonadas acabaron conectadas",{"stage":80,"step":80,"id":567,"node":568,"title":569,"subtitle":570,"topic":571,"track":234},"the-sonic-boom",71,"El estampido sónico","Adelanta a tu propio sonido y se amontona en una onda de choque","Acústica",{"stage":80,"step":87,"id":573,"node":574,"title":575,"subtitle":576,"topic":577,"track":134},"the-missing-yellow",72,"El amarillo que falta","Tu pantalla muestra amarillo sin una sola luz amarilla","Ciencia del color",[579,580,581,582,583,584,585,586,587],{"track":323,"count":25},{"track":71,"count":25},{"track":85,"count":25},{"track":58,"count":25},{"track":92,"count":25},{"track":78,"count":25},{"track":127,"count":25},{"track":234,"count":25},{"track":134,"count":25},{"zone":87,"theme":589,"lessons":594,"topics":647},{"key":590,"name":591,"light":592,"dark":593},"circuit-grove","Circuit Grove","#208157","#249e69",[595,601,607,613,619,625,630,635,641],{"stage":87,"step":25,"id":596,"node":597,"title":598,"subtitle":599,"topic":600,"track":120},"the-desk-and-the-warehouse",73,"El escritorio y el almacén","Los ordenadores guardan una memoria diminuta y rapidísima para lo que vas a necesitar","Arquitectura de computadores",{"stage":87,"step":39,"id":602,"node":603,"title":604,"subtitle":605,"topic":606,"track":323},"the-lost-packet",74,"El paquete perdido","Los trozos que faltan se piden otra vez sin empezar de cero","Redes fiables",{"stage":87,"step":46,"id":608,"node":609,"title":610,"subtitle":611,"topic":612,"track":134},"why-weather-presenters-never-wear-green",75,"Por qué los presentadores del tiempo nunca visten de verde","Un solo color puede cambiarse por un mundo entero","Efectos visuales",{"stage":87,"step":53,"id":614,"node":615,"title":616,"subtitle":617,"topic":618,"track":37},"the-tower-of-hanoi",76,"La Torre de Hanói","Mover 64 discos llevaría más tiempo del que lleva existiendo el universo","Recursividad",{"stage":87,"step":60,"id":620,"node":621,"title":622,"subtitle":623,"topic":624,"track":342},"otis-cut-the-rope",77,"Otis cortó la cuerda","Los ascensores se volvieron seguros cuando un inventor cortó su propio cable en público","Ingeniería de seguridad",{"stage":87,"step":66,"id":626,"node":627,"title":628,"subtitle":629,"topic":36,"track":37},"the-bridges-of-k-nigsberg",78,"Los puentes de Königsberg","Un acertijo de paseo dominical inventó toda una rama de las matemáticas",{"stage":87,"step":73,"id":631,"node":632,"title":633,"subtitle":634,"topic":43,"track":44},"the-sticker-album-problem",79,"El problema del álbum de cromos","Encontrar los últimos cromos lleva más tiempo que todo lo demás junto",{"stage":87,"step":80,"id":636,"node":637,"title":638,"subtitle":639,"topic":640,"track":51},"the-phantom-singer",80,"La cantante fantasma","Dos altavoces pueden poner una voz donde no hay ningún altavoz","Ingeniería de audio",{"stage":87,"step":87,"id":642,"node":643,"title":644,"subtitle":645,"topic":646,"track":165},"the-internets-first-word-was-lo",81,"La primera palabra de internet fue «LO»","El primer mensaje se colgó tras dos letras","Historia de internet",[648,649,650,651,652,653,654,655],{"track":37,"count":39},{"track":120,"count":25},{"track":323,"count":25},{"track":134,"count":25},{"track":342,"count":25},{"track":44,"count":25},{"track":51,"count":25},{"track":165,"count":25},{"zone":111,"theme":657,"lessons":662,"topics":717},{"key":658,"name":659,"light":660,"dark":661},"analog-foundry","Analog Foundry","#95660d","#b47c0f",[663,669,675,681,687,693,699,705,711],{"stage":111,"step":25,"id":664,"node":665,"title":666,"subtitle":667,"topic":668,"track":71},"a-neuron-is-a-weighted-vote",82,"Una neurona es un voto ponderado","La pieza básica de la IA es una decisión muy simple","Redes neuronales",{"stage":111,"step":39,"id":670,"node":671,"title":672,"subtitle":673,"topic":674,"track":85},"the-afterimage-flag",83,"La bandera de la posimagen","Mira los colores equivocados y aparecen los correctos","Neurociencia visual",{"stage":111,"step":46,"id":676,"node":677,"title":678,"subtitle":679,"topic":680,"track":58},"the-country-that-skipped-a-day",84,"El país que se saltó un día","Samoa saltó directamente del 29 al 31 de diciembre de 2011","Medir el tiempo",{"stage":111,"step":53,"id":682,"node":683,"title":684,"subtitle":685,"topic":686,"track":92},"0-999-1",85,"0.999… = 1","Los nueves infinitos son exactamente uno, no «casi uno»","Números",{"stage":111,"step":60,"id":688,"node":689,"title":690,"subtitle":691,"topic":692,"track":78},"megabits-not-megabytes",86,"Megabits, no megabytes","Por qué tu conexión de «100» descarga a unos 12","Velocidad de internet",{"stage":111,"step":66,"id":694,"node":695,"title":696,"subtitle":697,"topic":698,"track":127},"everyones-password-is-123456",87,"La contraseña de todo el mundo es 123456","Las contraseñas más comunes caen en menos de un segundo","Seguridad de contraseñas",{"stage":111,"step":73,"id":700,"node":701,"title":702,"subtitle":703,"topic":704,"track":234},"measure-light-speed-with-chocolate",88,"Mide la velocidad de la luz con chocolate","Tu microondas puede medir la velocidad de la luz","Electromagnetismo",{"stage":111,"step":80,"id":706,"node":707,"title":708,"subtitle":709,"topic":710,"track":342},"the-arch",89,"El arco","Piedras sueltas aguantan 2.000 años empujándose unas a otras","Diseño estructural",{"stage":111,"step":87,"id":712,"node":713,"title":714,"subtitle":715,"topic":716,"track":120},"your-computer-doesnt-multitask",90,"Tu ordenador no hace varias cosas a la vez","Cambia de tarea tan rápido que te engaña","Multitarea",[718,719,720,721,722,723,724,725,726],{"track":71,"count":25},{"track":85,"count":25},{"track":58,"count":25},{"track":92,"count":25},{"track":78,"count":25},{"track":127,"count":25},{"track":234,"count":25},{"track":342,"count":25},{"track":120,"count":25},{"zone":116,"theme":728,"lessons":733,"topics":785},{"key":729,"name":730,"light":731,"dark":732},"server-farm","Server Farm","#1e55e5","#4372ee",[734,740,745,750,756,762,768,773,779],{"stage":116,"step":25,"id":735,"node":736,"title":737,"subtitle":738,"topic":739,"track":134},"why-gloves-dont-work-on-phones",91,"Por qué los guantes no funcionan en el móvil","Tu dedo altera un campo eléctrico, y una salchicha también","Tecnología de sensores",{"stage":116,"step":39,"id":741,"node":742,"title":743,"subtitle":744,"topic":335,"track":37},"the-hand-on-the-wall-rule",92,"La regla de la mano en la pared","Con una mano siempre en la pared saldrás de casi todos los laberintos",{"stage":116,"step":46,"id":746,"node":747,"title":748,"subtitle":749,"topic":198,"track":342},"why-three-legs-never-wobble",93,"Por qué tres patas nunca cojean","Tres puntos siempre encajan en una superficie; cuatro, a menudo no",{"stage":116,"step":53,"id":751,"node":752,"title":753,"subtitle":754,"topic":755,"track":44},"when-the-average-lies",94,"Cuando la media miente","Un milmillonario entra en un bar y, de media, todos se hacen ricos","Estadística",{"stage":116,"step":60,"id":757,"node":758,"title":759,"subtitle":760,"topic":761,"track":51},"the-doppler-effect",95,"El efecto Doppler","El movimiento cambia el tono del sonido y el color de la luz","Física de ondas",{"stage":116,"step":66,"id":763,"node":764,"title":765,"subtitle":766,"topic":767,"track":85},"the-stroop-effect",96,"El efecto Stroop","Decir el color de una palabra cuesta cuando la palabra nombra otro color","Psicología cognitiva",{"stage":116,"step":73,"id":769,"node":770,"title":771,"subtitle":772,"topic":755,"track":44},"benfords-law",97,"La ley de Benford","En los datos reales, los números empiezan por 1 seis veces más que por 9",{"stage":116,"step":80,"id":774,"node":775,"title":776,"subtitle":777,"topic":778,"track":58},"a-day-on-venus-is-longer-than-its-year",98,"Un día en Venus dura más que su año","Venus gira tan despacio que el año acaba antes","Ciencias planetarias",{"stage":116,"step":87,"id":780,"node":781,"title":782,"subtitle":783,"topic":784,"track":92},"the-mysterious-6174",99,"El misterioso 6174","Cualquier número de cuatro cifras cae en el mismo número","Matemáticas recreativas",[786,787,788,789,790,791,792,793],{"track":44,"count":39},{"track":134,"count":25},{"track":37,"count":25},{"track":342,"count":25},{"track":51,"count":25},{"track":85,"count":25},{"track":58,"count":25},{"track":92,"count":25},{"zone":123,"theme":795,"lessons":800,"topics":852},{"key":796,"name":797,"light":798,"dark":799},"signal-storm","Signal Storm","#c52d97","#da52b2",[801,807,812,818,824,830,836,841,846],{"stage":123,"step":25,"id":802,"node":803,"title":804,"subtitle":805,"topic":806,"track":78},"the-bottomless-feed",100,"El feed sin fondo","Quita el final de la página y la gente se olvida de parar","Diseño de interacción",{"stage":123,"step":39,"id":808,"node":809,"title":810,"subtitle":811,"topic":704,"track":234},"why-your-microwave-door-has-holes",101,"Por qué la puerta del microondas tiene agujeros","Los agujeros son demasiado pequeños para las microondas, pero grandes para la luz",{"stage":123,"step":46,"id":813,"node":814,"title":815,"subtitle":816,"topic":817,"track":120},"why-restarting-fixes-things",102,"Por qué reiniciar arregla las cosas","Apagar y volver a encender borra lo que salió mal","Sistemas operativos",{"stage":123,"step":53,"id":819,"node":820,"title":821,"subtitle":822,"topic":823,"track":134},"your-camera-sees-your-tv-remote",103,"Tu cámara ve el mando de la tele","Apunta un mando a la cámara del móvil y verás la luz invisible","Infrarrojos",{"stage":123,"step":60,"id":825,"node":826,"title":827,"subtitle":828,"topic":829,"track":51},"silence-made-of-sound",104,"Silencio hecho de sonido","Los auriculares con cancelación de ruido añaden sonido para crear silencio","Interferencia de ondas",{"stage":123,"step":66,"id":831,"node":832,"title":833,"subtitle":834,"topic":835,"track":342},"your-phone-knows-which-way-is-up",105,"Tu móvil sabe dónde está arriba","Un peso microscópico sobre muelles nota cada inclinación","Sensores",{"stage":123,"step":73,"id":837,"node":838,"title":839,"subtitle":840,"topic":43,"track":44},"penneys-game",106,"El juego de Penney","Déjame elegir en segundo lugar y ganaré casi todas las carreras de monedas",{"stage":123,"step":80,"id":842,"node":843,"title":844,"subtitle":845,"topic":571,"track":51},"why-you-hate-your-recorded-voice",107,"Por qué odias tu voz grabada","Normalmente te oyes a través de tu propio cráneo",{"stage":123,"step":87,"id":847,"node":848,"title":849,"subtitle":850,"topic":851,"track":85},"why-you-cant-tickle-yourself",108,"Por qué no puedes hacerte cosquillas","Tu cerebro predice tu propio roce y lo anula","Neurociencia",[853,854,855,856,857,858,859,860],{"track":51,"count":39},{"track":78,"count":25},{"track":234,"count":25},{"track":120,"count":25},{"track":134,"count":25},{"track":342,"count":25},{"track":44,"count":25},{"track":85,"count":25},{"zone":130,"theme":862,"lessons":867,"topics":919},{"key":863,"name":864,"light":865,"dark":866},"retro-terminal","Retro Terminal","#707b0f","#899713",[868,874,880,886,892,898,903,908,914],{"stage":130,"step":25,"id":869,"node":870,"title":871,"subtitle":872,"topic":873,"track":58},"saturn-would-float",109,"Saturno flotaría","El planeta gigante es menos denso que el agua","Ciencia planetaria",{"stage":130,"step":39,"id":875,"node":876,"title":877,"subtitle":878,"topic":879,"track":92},"random-dots-draw-a-triangle",110,"Puntos al azar dibujan un triángulo","Un juego de azar dibuja un fractal perfecto","Fractales",{"stage":130,"step":46,"id":881,"node":882,"title":883,"subtitle":884,"topic":885,"track":78},"emoji-are-secret-sums",111,"Los emojis son sumas secretas","Un emoji de familia son varios emojis pegados","Codificación de texto",{"stage":130,"step":53,"id":887,"node":888,"title":889,"subtitle":890,"topic":891,"track":234},"count-the-thunder",112,"Cuenta el trueno","El rayo te dice a qué distancia está la tormenta","Ondas",{"stage":130,"step":60,"id":893,"node":894,"title":895,"subtitle":896,"topic":897,"track":342},"why-manholes-are-round",113,"Por qué las alcantarillas son redondas","Una tapa redonda nunca puede caer en su propio agujero","Diseño de ingeniería",{"stage":130,"step":66,"id":899,"node":900,"title":901,"subtitle":902,"topic":198,"track":342},"the-drill-that-makes-square-holes",114,"El taladro que hace agujeros cuadrados","Un triángulo redondeado puede taladrar un agujero casi cuadrado",{"stage":130,"step":73,"id":904,"node":905,"title":906,"subtitle":907,"topic":43,"track":44},"why-casinos-always-win",115,"Por qué el casino siempre gana","Con suficientes apuestas, una pequeña ventaja se vuelve una certeza",{"stage":130,"step":80,"id":909,"node":910,"title":911,"subtitle":912,"topic":913,"track":51},"why-some-notes-sound-good-together",116,"Por qué algunas notas suenan bien juntas","Los acordes agradables esconden proporciones sencillas","Acústica musical",{"stage":130,"step":87,"id":915,"node":916,"title":917,"subtitle":918,"topic":359,"track":165},"the-first-bug-was-a-real-moth",117,"El primer bug fue una polilla de verdad","En 1947 unos ingenieros pegaron una polilla en su cuaderno de registro",[920,921,922,923,924,925,926,927],{"track":342,"count":39},{"track":58,"count":25},{"track":92,"count":25},{"track":78,"count":25},{"track":234,"count":25},{"track":44,"count":25},{"track":51,"count":25},{"track":165,"count":25},{"zone":137,"theme":929,"lessons":934,"topics":985},{"key":930,"name":931,"light":932,"dark":933},"neural-nexus","Neural Nexus","#a340e0","#b565e6",[935,940,945,950,956,962,968,974,980],{"stage":137,"step":25,"id":936,"node":937,"title":938,"subtitle":939,"topic":851,"track":85},"how-fast-are-you",118,"¿Cómo de rápido eres?","Reaccionar a una luz lleva más o menos un cuarto de segundo",{"stage":137,"step":39,"id":941,"node":942,"title":943,"subtitle":944,"topic":400,"track":58},"the-sun-is-white",119,"El Sol es blanco","Solo parece amarillo a través de nuestra atmósfera",{"stage":137,"step":46,"id":946,"node":947,"title":948,"subtitle":949,"topic":686,"track":92},"find-your-birthday-in-pi",120,"Encuentra tu cumpleaños en pi","Las cifras sin fin de pi esconden casi seguro todas las fechas",{"stage":137,"step":53,"id":951,"node":952,"title":953,"subtitle":954,"topic":955,"track":78},"why-texts-were-160-characters",121,"Por qué los SMS tenían 160 caracteres","Un ingeniero contó las letras de las postales","Mensajería móvil",{"stage":137,"step":60,"id":957,"node":958,"title":959,"subtitle":960,"topic":961,"track":78},"why-tweets-were-140",122,"Por qué los tuits eran de 140","Twitter dejó 20 caracteres de cada SMS para tu nombre","Redes sociales",{"stage":137,"step":66,"id":963,"node":964,"title":965,"subtitle":966,"topic":967,"track":71},"the-word-guessing-machine",123,"La máquina de adivinar palabras","Los chatbots escriben prediciendo la siguiente palabra, una y otra vez","Modelos de lenguaje",{"stage":137,"step":73,"id":969,"node":970,"title":971,"subtitle":972,"topic":973,"track":234},"why-the-sky-is-blue",124,"Por qué el cielo es azul","El aire dispersa la luz azul mucho más que la roja, y los atardeceres son lo que sobra","Óptica",{"stage":137,"step":80,"id":975,"node":976,"title":977,"subtitle":978,"topic":979,"track":342},"gears",125,"Engranajes","Cambiar velocidad por fuerza: así suben las bicis las cuestas","Mecánica",{"stage":137,"step":87,"id":981,"node":982,"title":983,"subtitle":984,"topic":755,"track":44},"the-bell-curve-machine",126,"La máquina de la curva de campana","Las bolas que rebotan siempre se amontonan con la misma forma",[986,987,988,989,990,991,992,993],{"track":78,"count":39},{"track":85,"count":25},{"track":58,"count":25},{"track":92,"count":25},{"track":71,"count":25},{"track":234,"count":25},{"track":342,"count":25},{"track":44,"count":25},{"zone":143,"theme":995,"lessons":1000,"topics":1053},{"key":996,"name":997,"light":998,"dark":999},"satellite-belt","Satellite Belt","#957d13","#ac9216",[1001,1007,1013,1018,1024,1029,1035,1041,1047],{"stage":143,"step":25,"id":1002,"node":1003,"title":1004,"subtitle":1005,"topic":1006,"track":85},"yanny-or-laurel",127,"¿Yanny o Laurel?","Una grabación, dos palabras, y cada cual oye una distinta","Percepción auditiva",{"stage":143,"step":39,"id":1008,"node":1009,"title":1010,"subtitle":1011,"topic":1012,"track":92},"the-simplest-unsolved-problem",128,"El problema sin resolver más simple","Si es par, la mitad; si es impar, el triple más uno. ¿Llega siempre a 1?","Problemas sin resolver",{"stage":143,"step":46,"id":1014,"node":1015,"title":1016,"subtitle":1017,"topic":646,"track":78},"the-first-youtube-video",129,"El primer vídeo de YouTube","Todo empezó con diecinueve segundos en un zoo",{"stage":143,"step":53,"id":1019,"node":1020,"title":1021,"subtitle":1022,"topic":1023,"track":342},"the-train-that-copied-a-bird",130,"El tren que copió a un pájaro","El tren bala japonés tomó prestado el morro de un martín pescador","Biomimética",{"stage":143,"step":60,"id":1025,"node":1026,"title":1027,"subtitle":1028,"topic":755,"track":44},"what-70-chance-of-rain-means",131,"Qué significa «70 % de probabilidad de lluvia»","No es el 70 % del día ni el 70 % de la ciudad",{"stage":143,"step":66,"id":1030,"node":1031,"title":1032,"subtitle":1033,"topic":1034,"track":85},"your-brain-hides-your-nose",132,"Tu cerebro esconde tu nariz","Tu nariz está siempre a la vista, pero nunca la ves","Percepción",{"stage":143,"step":73,"id":1036,"node":1037,"title":1038,"subtitle":1039,"topic":1040,"track":58},"the-atomic-clock",133,"El reloj atómico","Los relojes más precisos cuentan las vibraciones del interior de los átomos","Medición de precisión",{"stage":143,"step":80,"id":1042,"node":1043,"title":1044,"subtitle":1045,"topic":1046,"track":58},"how-gps-finds-you",134,"Cómo te encuentra el GPS","Tu móvil escucha los relojes de los satélites y hace las cuentas","Navegación por satélite",{"stage":143,"step":87,"id":1048,"node":1049,"title":1050,"subtitle":1051,"topic":1052,"track":92},"sunflowers-count-in-fibonacci",135,"Los girasoles cuentan en Fibonacci","Las espirales de semillas vienen de 34, 55 y 89","Matemáticas en la naturaleza",[1054,1055,1056,1057,1058,1059],{"track":85,"count":39},{"track":92,"count":39},{"track":58,"count":39},{"track":78,"count":25},{"track":342,"count":25},{"track":44,"count":25},{"zone":149,"theme":1061,"lessons":1066,"topics":1118},{"key":1062,"name":1063,"light":1064,"dark":1065},"launch-pad","Launch Pad","#bf342c","#d84a43",[1067,1073,1079,1085,1090,1095,1100,1106,1112],{"stage":149,"step":25,"id":1068,"node":1069,"title":1070,"subtitle":1071,"topic":1072,"track":58},"you-cant-see-the-great-wall-from-space",136,"No se ve la Gran Muralla desde el espacio","La famosa afirmación es un mito","Mitos desmentidos",{"stage":149,"step":39,"id":1074,"node":1075,"title":1076,"subtitle":1077,"topic":1078,"track":44},"the-chart-that-lies",137,"El gráfico que miente","Corta la parte baja de un eje y un cambio mínimo parece enorme","Visualización de datos",{"stage":149,"step":46,"id":1080,"node":1081,"title":1082,"subtitle":1083,"topic":1084,"track":58},"measuring-the-earth-with-a-stick",138,"Medir la Tierra con un palo","Hace más de 2.000 años, un sabio midió el planeta con sombras","Historia de la ciencia",{"stage":149,"step":53,"id":1086,"node":1087,"title":1088,"subtitle":1089,"topic":1034,"track":85},"the-three-bowls",139,"Los tres cuencos","Una mano dice caliente y la otra dice fría, en la misma agua",{"stage":149,"step":60,"id":1091,"node":1092,"title":1093,"subtitle":1094,"topic":198,"track":92},"why-bees-build-hexagons",140,"Por qué las abejas construyen hexágonos","Los hexágonos guardan más miel con menos cera",{"stage":149,"step":66,"id":1096,"node":1097,"title":1098,"subtitle":1099,"topic":254,"track":78},"why-404",141,"¿Por qué 404?","El famoso número de «Not Found» no es una sala del CERN",{"stage":149,"step":73,"id":1101,"node":1102,"title":1103,"subtitle":1104,"topic":1105,"track":92},"the-m-bius-strip",142,"La banda de Möbius","Un anillo de papel con una sola cara y un solo borde","Topología",{"stage":149,"step":80,"id":1107,"node":1108,"title":1109,"subtitle":1110,"topic":1111,"track":127},"the-password-manager",143,"El gestor de contraseñas","Una caja fuerte sólida permite que cada cuenta tenga su propio secreto","Seguridad personal",{"stage":149,"step":87,"id":1113,"node":1114,"title":1115,"subtitle":1116,"topic":1117,"track":267},"the-only-perfect-cipher",144,"El único cifrado perfecto","Una libreta de un solo uso es irrompible si nunca, jamás, la reutilizas","Cifrado",[1119,1120,1121,1122,1123,1124,1125],{"track":58,"count":39},{"track":92,"count":39},{"track":44,"count":25},{"track":85,"count":25},{"track":78,"count":25},{"track":127,"count":25},{"track":267,"count":25},{"zone":155,"theme":1127,"lessons":1132,"topics":1182},{"key":1128,"name":1129,"light":1130,"dark":1131},"cloud-citadel","Cloud Citadel","#0e7fa8","#129dd0",[1133,1138,1143,1148,1154,1160,1165,1171,1177],{"stage":155,"step":25,"id":1134,"node":1135,"title":1136,"subtitle":1137,"topic":227,"track":92},"rice-on-a-chessboard",145,"Arroz en un tablero de ajedrez","Duplica un grano en cada casilla y arruinarías un reino",{"stage":155,"step":39,"id":1139,"node":1140,"title":1141,"subtitle":1142,"topic":365,"track":291},"schr-dingers-cat-was-a-joke",146,"El gato de Schrödinger era una broma","El famoso gato nació para mostrar lo absurda que sonaba la idea",{"stage":155,"step":46,"id":1144,"node":1145,"title":1146,"subtitle":1147,"topic":227,"track":92},"the-lily-pad-riddle",147,"El acertijo de los nenúfares","Si los nenúfares se duplican a diario y cubren el estanque el día 30, ¿cuándo iba por la mitad?",{"stage":155,"step":53,"id":1149,"node":1150,"title":1151,"subtitle":1152,"topic":1153,"track":234},"the-cooktop-that-stays-cold",148,"La placa que se queda fría","La inducción calienta la sartén directamente con un campo magnético cambiante","Ingeniería eléctrica",{"stage":155,"step":60,"id":1155,"node":1156,"title":1157,"subtitle":1158,"topic":1159,"track":78},"how-google-ranked-the-web",149,"Cómo Google ordenó la web","Una página importa cuando la enlazan páginas que importan","Buscadores",{"stage":155,"step":66,"id":1161,"node":1162,"title":1163,"subtitle":1164,"topic":885,"track":120},"a-is-65",150,"La A es el 65","Cada letra que escribes es, en secreto, un número",{"stage":155,"step":73,"id":1166,"node":1167,"title":1168,"subtitle":1169,"topic":1170,"track":323},"the-internets-traffic-jam",151,"El atasco de internet","Las redes se frenan a propósito para no colapsar","Control de congestión",{"stage":155,"step":80,"id":1172,"node":1173,"title":1174,"subtitle":1175,"topic":1176,"track":134},"why-mario-has-a-moustache",152,"Por qué Mario tiene bigote","En un sprite de 16×16, un bigote era más fácil de dibujar que una boca","Diseño de videojuegos",{"stage":155,"step":87,"id":1178,"node":1179,"title":1180,"subtitle":1181,"topic":335,"track":37},"twice-the-data-four-times-the-wait",153,"El doble de datos, el cuádruple de espera","Lo que importa es lo rápido que un método se vuelve lento",[1183,1184,1185,1186,1187,1188,1189,1190],{"track":92,"count":39},{"track":291,"count":25},{"track":234,"count":25},{"track":78,"count":25},{"track":120,"count":25},{"track":323,"count":25},{"track":134,"count":25},{"track":37,"count":25},{"zone":161,"theme":103,"lessons":1192,"topics":1242},[1193,1199,1205,1210,1215,1221,1226,1231,1236],{"stage":161,"step":25,"id":1194,"node":1195,"title":1196,"subtitle":1197,"topic":1198,"track":92},"achilles-and-the-tortoise",154,"Aquiles y la tortuga","Infinitos pasos pueden caber en un tiempo finito","Series infinitas",{"stage":161,"step":39,"id":1200,"node":1201,"title":1202,"subtitle":1203,"topic":1204,"track":342},"suspension-bridges",155,"Puentes colgantes","Los cables convierten cargas enormes en una tensión que pueden aguantar","Ingeniería de puentes",{"stage":161,"step":46,"id":1206,"node":1207,"title":1208,"subtitle":1209,"topic":784,"track":92},"the-1089-trick",156,"El truco del 1089","Cualquier número de tres cifras lleva a la misma respuesta",{"stage":161,"step":53,"id":1211,"node":1212,"title":1213,"subtitle":1214,"topic":43,"track":44},"the-100-prisoners-riddle",157,"El acertijo de los 100 presos","Un plan ingenioso convierte una muerte casi segura en un 31 % de opciones",{"stage":161,"step":60,"id":1216,"node":1217,"title":1218,"subtitle":1219,"topic":1220,"track":51},"why-adverts-sound-louder",158,"Por qué los anuncios suenan más fuerte","Dos sonidos al mismo volumen pueden sentirse totalmente distintos","Psicoacústica",{"stage":161,"step":66,"id":1222,"node":1223,"title":1224,"subtitle":1225,"topic":359,"track":165},"the-women-who-programmed-eniac",159,"Las mujeres que programaron el ENIAC","Seis mujeres programaron el primer ordenador electrónico de uso general",{"stage":161,"step":73,"id":1227,"node":1228,"title":1229,"subtitle":1230,"topic":967,"track":71},"same-question-different-answer",160,"Misma pregunta, distinta respuesta","Un dial llamado temperatura vuelve a los chatbots creativos o predecibles",{"stage":161,"step":80,"id":1232,"node":1233,"title":1234,"subtitle":1235,"topic":284,"track":127},"how-long-to-crack-it",161,"¿Cuánto se tarda en descifrarla?","Cada carácter de más multiplica el trabajo de un atacante",{"stage":161,"step":87,"id":1237,"node":1238,"title":1239,"subtitle":1240,"topic":1241,"track":127},"how-sites-store-your-password",162,"Cómo guardan los sitios tu contraseña","Una buena web nunca llega a conocer tu contraseña","Ciberseguridad",[1243,1244,1245,1246,1247,1248,1249],{"track":92,"count":39},{"track":127,"count":39},{"track":342,"count":25},{"track":44,"count":25},{"track":51,"count":25},{"track":165,"count":25},{"track":71,"count":25},{"zone":184,"theme":176,"lessons":1251,"topics":1303},[1252,1258,1263,1268,1274,1280,1285,1291,1297],{"stage":184,"step":25,"id":1253,"node":1254,"title":1255,"subtitle":1256,"topic":1257,"track":92},"the-missing-dollar",163,"El dólar perdido","Un famoso acertijo de dinero funciona sumando lo que no toca","Aritmética",{"stage":184,"step":39,"id":1259,"node":1260,"title":1261,"subtitle":1262,"topic":1006,"track":85},"the-cocktail-party-effect",164,"El efecto cóctel","Tu cerebro puede seguir una sola voz en una sala llena de gente",{"stage":184,"step":46,"id":1264,"node":1265,"title":1266,"subtitle":1267,"topic":198,"track":92},"pythagoras-without-algebra",165,"Pitágoras sin álgebra","Desliza cuatro triángulos y el teorema se demuestra solo",{"stage":184,"step":53,"id":1269,"node":1270,"title":1271,"subtitle":1272,"topic":1273,"track":58},"escape-speed",166,"Velocidad de escape","Dejar la Tierra para siempre exige unos 11 kilómetros por segundo","Astrodinámica",{"stage":184,"step":60,"id":1275,"node":1276,"title":1277,"subtitle":1278,"topic":1279,"track":78},"error-418-im-a-teapot",167,"Error 418: soy una tetera","Una broma de primero de abril que acabó en los estándares reales de internet","Cultura de internet",{"stage":184,"step":66,"id":1281,"node":1282,"title":1283,"subtitle":1284,"topic":1153,"track":234},"the-war-of-the-currents",168,"La guerra de las corrientes","Edison y Tesla pelearon por cómo debía llegar la electricidad a tu casa",{"stage":184,"step":73,"id":1286,"node":1287,"title":1288,"subtitle":1289,"topic":1290,"track":127},"credential-stuffing",169,"Relleno de credenciales","Una contraseña filtrada puede abrir muchas cuentas sin relación entre sí","Higiene de contraseñas",{"stage":184,"step":80,"id":1292,"node":1293,"title":1294,"subtitle":1295,"topic":1296,"track":267},"the-prime-lock",170,"El candado de los primos","Multiplicar es fácil; deshacer la multiplicación es el secreto de la seguridad en internet","Teoría de números",{"stage":184,"step":87,"id":1298,"node":1299,"title":1300,"subtitle":1301,"topic":1302,"track":291},"ghost-particles",171,"Partículas fantasma","Billones de neutrinos te atraviesan cada segundo","Física de partículas",[1304,1305,1306,1307,1308,1309,1310,1311],{"track":92,"count":39},{"track":85,"count":25},{"track":58,"count":25},{"track":78,"count":25},{"track":234,"count":25},{"track":127,"count":25},{"track":267,"count":25},{"track":291,"count":25},{"zone":189,"theme":243,"lessons":1313,"topics":1365},[1314,1320,1326,1332,1338,1344,1350,1355,1360],{"stage":189,"step":25,"id":1315,"node":1316,"title":1317,"subtitle":1318,"topic":1319,"track":92},"the-friendship-paradox",172,"La paradoja de la amistad","Lo más probable es que tus amigos tengan más amigos que tú","Matemáticas de redes",{"stage":189,"step":39,"id":1321,"node":1322,"title":1323,"subtitle":1324,"topic":1325,"track":234},"braking-into-the-battery",173,"Frenar para cargar la batería","Los coches eléctricos se recargan un poco cada vez que frenan","Vehículos eléctricos",{"stage":189,"step":46,"id":1327,"node":1328,"title":1329,"subtitle":1330,"topic":1331,"track":92},"winning-at-rock-paper-scissors",174,"Cómo ganar a piedra, papel o tijera","Los humanos somos malos siendo aleatorios, y una máquina puede aprovecharlo","Teoría de juegos",{"stage":189,"step":53,"id":1333,"node":1334,"title":1335,"subtitle":1336,"topic":1337,"track":120},"the-vote-from-outer-space",175,"El voto que llegó del espacio","Un rayo cósmico pudo sumar 4096 votos en unas elecciones belgas","Computación binaria",{"stage":189,"step":60,"id":1339,"node":1340,"title":1341,"subtitle":1342,"topic":1343,"track":323},"fast-internet-slow-pages",176,"Internet rápido, páginas lentas","El ancho de banda no es velocidad: las idas y vueltas se suman","Rendimiento de redes",{"stage":189,"step":66,"id":1345,"node":1346,"title":1347,"subtitle":1348,"topic":1349,"track":134},"why-characters-fall-through-walls",177,"Por qué los personajes atraviesan paredes","Los juegos buscan choques en instantáneas, y lo rápido se cuela entre ellas","Física de videojuegos",{"stage":189,"step":73,"id":1351,"node":1352,"title":1353,"subtitle":1354,"topic":266,"track":267},"the-enigma-machine",178,"La máquina Enigma","158 trillones de configuraciones, cambiadas cada día",{"stage":189,"step":80,"id":1356,"node":1357,"title":1358,"subtitle":1359,"topic":273,"track":267},"breaking-enigma",179,"Rompiendo Enigma","Cayó por costumbres, conjeturas y una sala llena de máquinas",{"stage":189,"step":87,"id":1361,"node":1362,"title":1363,"subtitle":1364,"topic":335,"track":37},"greedy-change",180,"Cambio voraz","Dar siempre la moneda más grande suele funcionar, hasta que no",[1366,1367,1368,1369,1370,1371,1372],{"track":92,"count":39},{"track":267,"count":39},{"track":234,"count":25},{"track":120,"count":25},{"track":323,"count":25},{"track":134,"count":25},{"track":37,"count":25}]