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traversent des murs qu'elles ne peuvent pas franchir, et la mémoire de ton téléphone en dépend","Physique quantique","Quantique & relativité",{"stage":33,"step":60,"id":273,"node":274,"title":275,"subtitle":276,"topic":277,"track":214},"why-your-battery-wears-out",35,"Pourquoi ta batterie s'use","Chaleur, charge pleine et batterie à plat : voilà ce qui use le plus vite ton téléphone","Stockage d'énergie",{"stage":33,"step":67,"id":279,"node":280,"title":281,"subtitle":282,"topic":172,"track":100},"why-your-1-tb-drive-shows-931-gb",36,"Pourquoi ton disque de 1 TB affiche 931 GB","Les fabricants de disques et les ordinateurs ne comptent pas les octets de la même façon",[284,285,286,287,288,289],{"track":247,"count":33},{"track":58,"count":5},{"track":107,"count":5},{"track":271,"count":5},{"track":214,"count":5},{"track":100,"count":5},{"zone":40,"theme":291,"lessons":296,"topics":352},{"key":292,"name":293,"light":294,"dark":295},"quantum-foam","Quantum 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quand on l'étire","Génie civil","Ingénierie & machines",{"stage":40,"step":40,"id":324,"node":325,"title":326,"subtitle":327,"topic":23,"track":24},"spot-the-fake-coin-flips",41,"Démasque les faux lancers de pièce","Ceux qui inventent des lancers n'écrivent presque jamais de longues séries",{"stage":40,"step":46,"id":329,"node":330,"title":331,"subtitle":332,"topic":333,"track":31},"your-cards-last-digit-is-a-lie-detector",42,"Le dernier chiffre de ta carte est un détecteur de mensonges","Le dernier chiffre d'un numéro de carte vérifie tous les autres","Détection d'erreurs",{"stage":40,"step":53,"id":335,"node":336,"title":337,"subtitle":338,"topic":339,"track":145},"the-1890-census-ran-on-punch-cards",43,"Le recensement de 1890 tournait sur cartes perforées","Des trous dans du carton ont compté une nation, et IBM en est issu","Histoire de l'informatique",{"stage":40,"step":60,"id":341,"node":342,"title":343,"subtitle":344,"topic":345,"track":271},"the-double-slit-surprise",44,"La 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téléphone ont déjà senti une vibration qui n'a jamais existé","Psychologie numérique",{"stage":46,"step":19,"id":376,"node":377,"title":378,"subtitle":379,"topic":380,"track":38},"why-we-only-see-one-side-of-the-moon",47,"Pourquoi on ne voit qu'une face de la Lune","La Lune tourne sur elle-même exactement une fois par orbite","Astronomie",{"stage":46,"step":26,"id":382,"node":383,"title":384,"subtitle":385,"topic":126,"track":72},"the-pigeonhole-trick",48,"L'astuce des tiroirs","Trop de pigeons pour les trous, et un doublon caché est garanti",{"stage":46,"step":33,"id":387,"node":388,"title":389,"subtitle":390,"topic":391,"track":58},"incognito-isnt-invisible",49,"Incognito ne veut pas dire invisible","Le mode privé cache ton historique à ton téléphone, pas à Internet","Vie privée en ligne",{"stage":46,"step":40,"id":393,"node":394,"title":395,"subtitle":396,"topic":397,"track":107},"the-qr-sticker-scam",50,"L'arnaque à l'autocollant QR","Un faux code collé sur le parcmètre envoie ta carte à un voleur","Sécurité en ligne",{"stage":46,"step":46,"id":399,"node":400,"title":401,"subtitle":402,"topic":403,"track":247},"change-one-letter-change-everything",51,"Change une lettre, tout change","Un hachage est une empreinte qui bascule entièrement au moindre changement","Hachage cryptographique",{"stage":46,"step":53,"id":405,"node":406,"title":407,"subtitle":408,"topic":409,"track":100},"everything-is-binary",52,"Tout est binaire","Chansons, photos et cette phrase ne sont que de l'allumé et de l'éteint","Binaire",{"stage":46,"step":60,"id":411,"node":412,"title":413,"subtitle":414,"topic":415,"track":271},"atoms-are-mostly-empty",53,"Les atomes sont presque vides","Si un atome était un stade, le noyau serait une bille","Physique atomique",{"stage":46,"step":67,"id":417,"node":418,"title":419,"subtitle":420,"topic":421,"track":214},"your-fridge-doesnt-make-cold",54,"Ton frigo ne fabrique pas de froid","Il pompe la chaleur hors de la boîte et la rejette dans ta 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vérité",{"stage":53,"step":26,"id":451,"node":452,"title":453,"subtitle":454,"topic":315,"track":17},"sorting-race",57,"Course de tri","La bonne méthode bat un ordinateur plus rapide",{"stage":53,"step":33,"id":456,"node":457,"title":458,"subtitle":459,"topic":460,"track":303},"light-that-bends-around-corners",58,"La lumière qui prend les virages","On peut piéger la lumière dans un fil de verre","Fibre optique",{"stage":53,"step":40,"id":462,"node":463,"title":464,"subtitle":465,"topic":466,"track":303},"the-undersea-internet",59,"L'internet sous-marin","Presque toutes les données entre continents voyagent par des câbles au fond de l'océan","Infrastructure d'Internet",{"stage":53,"step":46,"id":468,"node":469,"title":470,"subtitle":471,"topic":472,"track":322},"crumple-zones",60,"Les zones de déformation","Les voitures protègent leurs passagers en s'écrasant lentement","Sécurité automobile",{"stage":53,"step":53,"id":474,"node":475,"title":476,"subtitle":477,"topic":23,"track":24},"the-gamblers-fallacy",61,"L'erreur du joueur","Après cinq faces, la pièce n'a toujours pas de mémoire",{"stage":53,"step":60,"id":479,"node":480,"title":481,"subtitle":482,"topic":483,"track":31},"barcodes",62,"Les codes-barres","Les rayures noires et blanches ne sont que des nombres déguisés","Codage des données",{"stage":53,"step":67,"id":485,"node":486,"title":487,"subtitle":488,"topic":489,"track":145},"the-first-website-is-still-online",63,"Le premier site web est toujours en ligne","Tu peux encore visiter la page que Tim Berners-Lee a publiée en 1991","Histoire du Web",[491,492,493,494,495,496,497,498],{"track":303,"count":19},{"track":100,"count":5},{"track":114,"count":5},{"track":17,"count":5},{"track":322,"count":5},{"track":24,"count":5},{"track":31,"count":5},{"track":145,"count":5},{"zone":60,"theme":500,"lessons":505,"topics":558},{"key":501,"name":502,"light":503,"dark":504},"pixel-drift","Pixel Drift","#e6127f","#f253a4",[506,512,518,524,530,535,541,546,552],{"stage":60,"step":5,"id":507,"node":508,"title":509,"subtitle":510,"topic":511,"track":303},"finding-a-route",64,"Trouver son chemin","Les paquets traversent la planète sans que personne ne connaisse toute la carte","Réseaux informatiques",{"stage":60,"step":19,"id":513,"node":514,"title":515,"subtitle":516,"topic":517,"track":51},"youve-been-training-ai-for-free",65,"Tu entraînes l'IA gratuitement","Ces feux et passages piétons des CAPTCHA ont appris aux machines à voir","Annotation de données",{"stage":60,"step":26,"id":519,"node":520,"title":521,"subtitle":522,"topic":523,"track":65},"faces-everywhere",66,"Des visages partout","Ton cerveau est si réglé sur les visages qu'il en trouve dans les prises et les toasts","Perception des formes",{"stage":60,"step":33,"id":525,"node":526,"title":527,"subtitle":528,"topic":529,"track":38},"sixteen-sunrises-a-day",67,"Seize levers de soleil par jour","La station spatiale fait le tour de la Terre toutes les 90 minutes","Vol spatial",{"stage":60,"step":40,"id":531,"node":532,"title":533,"subtitle":534,"topic":126,"track":72},"the-party-puzzle",68,"L'énigme de la fête","Dans toute fête à six, trois sont tous amis ou tous inconnus",{"stage":60,"step":46,"id":536,"node":537,"title":538,"subtitle":539,"topic":540,"track":58},"half-the-internet-is-robots",69,"La moitié d'Internet, ce sont des robots","Près de la moitié du trafic web n'est pas humain","Trafic Internet",{"stage":60,"step":53,"id":542,"node":543,"title":544,"subtitle":545,"topic":120,"track":107},"would-you-plug-it-in",70,"Tu la brancherais ?","Près de la moitié des clés USB abandonnées ont été branchées",{"stage":60,"step":60,"id":547,"node":548,"title":549,"subtitle":550,"topic":551,"track":214},"the-sonic-boom",71,"Le bang supersonique","Dépasse ton propre son et il s'entasse en onde de choc","Acoustique",{"stage":60,"step":67,"id":553,"node":554,"title":555,"subtitle":556,"topic":557,"track":114},"the-missing-yellow",72,"Le jaune manquant","Ton écran affiche du jaune sans une seule lumière jaune","Science des 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fiables",{"stage":67,"step":26,"id":588,"node":589,"title":590,"subtitle":591,"topic":592,"track":114},"why-weather-presenters-never-wear-green",75,"Pourquoi les présentateurs météo ne portent jamais de vert","Une seule couleur peut être remplacée par un monde entier","Effets visuels",{"stage":67,"step":33,"id":594,"node":595,"title":596,"subtitle":597,"topic":598,"track":17},"the-tower-of-hanoi",76,"La tour de Hanoï","Déplacer 64 disques prendrait plus de temps que l'univers n'en a vécu","Récursivité",{"stage":67,"step":40,"id":600,"node":601,"title":602,"subtitle":603,"topic":604,"track":322},"otis-cut-the-rope",77,"Otis a coupé la corde","Les ascenseurs sont devenus sûrs quand un inventeur a coupé son propre câble en public","Ingénierie de la sécurité",{"stage":67,"step":46,"id":606,"node":607,"title":608,"subtitle":609,"topic":16,"track":17},"the-bridges-of-k-nigsberg",78,"Les ponts de Königsberg","Une énigme de promenade du dimanche a inventé toute une branche des maths",{"stage":67,"step":53,"id":611,"node":612,"title":613,"subtitle":614,"topic":23,"track":24},"the-sticker-album-problem",79,"Le problème de l'album de vignettes","Trouver les dernières vignettes prend plus de temps que tout le reste réuni",{"stage":67,"step":60,"id":616,"node":617,"title":618,"subtitle":619,"topic":620,"track":31},"the-phantom-singer",80,"La chanteuse fantôme","Deux enceintes peuvent placer une voix là où il n'y a aucune enceinte","Ingénierie audio",{"stage":67,"step":67,"id":622,"node":623,"title":624,"subtitle":625,"topic":626,"track":145},"the-internets-first-word-was-lo",81,"Le premier mot d'Internet fut « LO »","Le premier message a planté après deux lettres","Histoire 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passe",{"stage":91,"step":53,"id":680,"node":681,"title":682,"subtitle":683,"topic":684,"track":214},"measure-light-speed-with-chocolate",88,"Mesure la vitesse de la lumière avec du chocolat","Ton micro-ondes peut mesurer la vitesse de la lumière","Électromagnétisme",{"stage":91,"step":60,"id":686,"node":687,"title":688,"subtitle":689,"topic":690,"track":322},"the-arch",89,"L'arche","Des pierres libres tiennent 2 000 ans en se poussant les unes les autres","Conception des structures",{"stage":91,"step":67,"id":692,"node":693,"title":694,"subtitle":695,"topic":696,"track":100},"your-computer-doesnt-multitask",90,"Ton ordinateur ne fait pas plusieurs choses à la fois","Il change de tâche si vite qu'il te 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labyrinthes",{"stage":96,"step":26,"id":726,"node":727,"title":728,"subtitle":729,"topic":178,"track":322},"why-three-legs-never-wobble",93,"Pourquoi trois pieds ne sont jamais bancals","Trois points épousent toujours une surface ; quatre, souvent pas",{"stage":96,"step":33,"id":731,"node":732,"title":733,"subtitle":734,"topic":735,"track":24},"when-the-average-lies",94,"Quand la moyenne ment","Un milliardaire entre dans un bar et, en moyenne, tout le monde devient riche","Statistiques",{"stage":96,"step":40,"id":737,"node":738,"title":739,"subtitle":740,"topic":741,"track":31},"the-doppler-effect",95,"L'effet Doppler","Le mouvement change la hauteur du son et la couleur de la lumière","Physique des ondes",{"stage":96,"step":46,"id":743,"node":744,"title":745,"subtitle":746,"topic":747,"track":65},"the-stroop-effect",96,"L'effet Stroop","Dire la couleur d'un mot est difficile quand ce mot nomme une autre couleur","Psychologie cognitive",{"stage":96,"step":53,"id":749,"node":750,"title":751,"subtitle":752,"topic":735,"track":24},"benfords-law",97,"La loi de Benford","Dans les données réelles, les nombres commencent par 1 six fois plus souvent que par 9",{"stage":96,"step":60,"id":754,"node":755,"title":756,"subtitle":757,"topic":758,"track":38},"a-day-on-venus-is-longer-than-its-year",98,"Sur Vénus, un jour dure plus qu'une année","Vénus tourne si lentement que l'année finit avant","Planétologie",{"stage":96,"step":67,"id":760,"node":761,"title":762,"subtitle":763,"topic":764,"track":72},"the-mysterious-6174",99,"Le mystérieux 6174","Tout nombre de quatre chiffres tombe sur le même nombre","Mathématiques 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inclinaison","Capteurs",{"stage":103,"step":53,"id":817,"node":818,"title":819,"subtitle":820,"topic":23,"track":24},"penneys-game",106,"Le jeu de Penney","Laisse-moi choisir en second et je gagnerai la plupart des courses à pile ou face",{"stage":103,"step":60,"id":822,"node":823,"title":824,"subtitle":825,"topic":551,"track":31},"why-you-hate-your-recorded-voice",107,"Pourquoi tu détestes ta voix enregistrée","D'habitude, tu t'entends à travers ton propre crâne",{"stage":103,"step":67,"id":827,"node":828,"title":829,"subtitle":830,"topic":831,"track":65},"why-you-cant-tickle-yourself",108,"Pourquoi tu ne peux pas te chatouiller","Ton cerveau prédit ton propre contact et l'annule","Neurosciences",[833,834,835,836,837,838,839,840],{"track":31,"count":19},{"track":58,"count":5},{"track":214,"count":5},{"track":100,"count":5},{"track":114,"count":5},{"track":322,"count":5},{"track":24,"count":5},{"track":65,"count":5},{"zone":110,"theme":842,"lessons":847,"topics":898},{"key":843,"name":844,"light":845,"dark":846},"retro-terminal","Retro Terminal","#707b0f","#899713",[848,853,859,865,871,877,882,887,893],{"stage":110,"step":5,"id":849,"node":850,"title":851,"subtitle":852,"topic":758,"track":38},"saturn-would-float",109,"Saturne flotterait","La planète géante est moins dense que l'eau",{"stage":110,"step":19,"id":854,"node":855,"title":856,"subtitle":857,"topic":858,"track":72},"random-dots-draw-a-triangle",110,"Des points au hasard dessinent un triangle","Un jeu de hasard dessine une fractale parfaite","Fractales",{"stage":110,"step":26,"id":860,"node":861,"title":862,"subtitle":863,"topic":864,"track":58},"emoji-are-secret-sums",111,"Les emojis sont des sommes secrètes","Un emoji famille, ce sont plusieurs emojis collés","Encodage du texte",{"stage":110,"step":33,"id":866,"node":867,"title":868,"subtitle":869,"topic":870,"track":214},"count-the-thunder",112,"Compte le tonnerre","L'éclair te dit à quelle distance est l'orage","Ondes",{"stage":110,"step":40,"id":872,"node":873,"title":874,"subtitle":875,"topic":876,"track":322},"why-manholes-are-round",113,"Pourquoi les plaques d'égout sont rondes","Une plaque ronde ne peut jamais tomber dans son propre trou","Conception technique",{"stage":110,"step":46,"id":878,"node":879,"title":880,"subtitle":881,"topic":178,"track":322},"the-drill-that-makes-square-holes",114,"La perceuse qui fait des trous carrés","Un triangle arrondi peut percer un trou presque carré",{"stage":110,"step":53,"id":883,"node":884,"title":885,"subtitle":886,"topic":23,"track":24},"why-casinos-always-win",115,"Pourquoi le casino gagne toujours","Avec assez de mises, un petit avantage devient une 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mobile",{"stage":117,"step":40,"id":936,"node":937,"title":938,"subtitle":939,"topic":940,"track":58},"why-tweets-were-140",122,"Pourquoi les tweets faisaient 140","Twitter gardait 20 caractères de chaque SMS pour ton nom","Réseaux sociaux",{"stage":117,"step":46,"id":942,"node":943,"title":944,"subtitle":945,"topic":946,"track":51},"the-word-guessing-machine",123,"La machine à deviner les mots","Les chatbots écrivent en prédisant le mot suivant, encore et encore","Modèles de langage",{"stage":117,"step":53,"id":948,"node":949,"title":950,"subtitle":951,"topic":952,"track":214},"why-the-sky-is-blue",124,"Pourquoi le ciel est bleu","L'air diffuse la lumière bleue bien plus que la rouge, et les couchers de soleil sont les restes","Optique",{"stage":117,"step":60,"id":954,"node":955,"title":956,"subtitle":957,"topic":958,"track":322},"gears",125,"Les engrenages","Échanger de la vitesse contre de la force : c'est ainsi que les vélos grimpent les côtes","Mécanique",{"stage":117,"step":67,"id":960,"node":961,"title":962,"subtitle":963,"topic":735,"track":24},"the-bell-curve-machine",126,"La machine à courbe en cloche","Les billes qui rebondissent s'entassent toujours selon la même forme",[965,966,967,968,969,970,971,972],{"track":58,"count":19},{"track":65,"count":5},{"track":38,"count":5},{"track":72,"count":5},{"track":51,"count":5},{"track":214,"count":5},{"track":322,"count":5},{"track":24,"count":5},{"zone":123,"theme":974,"lessons":979,"topics":1032},{"key":975,"name":976,"light":977,"dark":978},"satellite-belt","Satellite Belt","#957d13","#ac9216",[980,986,992,997,1003,1008,1014,1020,1026],{"stage":123,"step":5,"id":981,"node":982,"title":983,"subtitle":984,"topic":985,"track":65},"yanny-or-laurel",127,"Yanny ou Laurel ?","Un enregistrement, deux mots, et chacun n'entend pas le même","Perception auditive",{"stage":123,"step":19,"id":987,"node":988,"title":989,"subtitle":990,"topic":991,"track":72},"the-simplest-unsolved-problem",128,"Le problème non résolu le plus simple","Pair, on divise par deux ; impair, on triple et on ajoute un. Arrive-t-on toujours à 1 ?","Problèmes non résolus",{"stage":123,"step":26,"id":993,"node":994,"title":995,"subtitle":996,"topic":626,"track":58},"the-first-youtube-video",129,"La première vidéo YouTube","Tout a commencé par dix-neuf secondes dans un zoo",{"stage":123,"step":33,"id":998,"node":999,"title":1000,"subtitle":1001,"topic":1002,"track":322},"the-train-that-copied-a-bird",130,"Le train qui a copié un oiseau","Le train à grande vitesse japonais a emprunté son nez au martin-pêcheur","Biomimétisme",{"stage":123,"step":40,"id":1004,"node":1005,"title":1006,"subtitle":1007,"topic":735,"track":24},"what-70-chance-of-rain-means",131,"Ce que veut dire « 70 % de risque de pluie »","Ce n'est ni 70 % de la journée ni 70 % de la ville",{"stage":123,"step":46,"id":1009,"node":1010,"title":1011,"subtitle":1012,"topic":1013,"track":65},"your-brain-hides-your-nose",132,"Ton cerveau cache ton nez","Ton nez est toujours dans ton champ de vision, et tu ne le vois jamais","Perception",{"stage":123,"step":53,"id":1015,"node":1016,"title":1017,"subtitle":1018,"topic":1019,"track":38},"the-atomic-clock",133,"L'horloge atomique","Les horloges les plus précises comptent les vibrations au cœur des atomes","Mesure de précision",{"stage":123,"step":60,"id":1021,"node":1022,"title":1023,"subtitle":1024,"topic":1025,"track":38},"how-gps-finds-you",134,"Comment le GPS te trouve","Ton téléphone écoute les horloges des satellites et fait le calcul","Navigation par satellite",{"stage":123,"step":67,"id":1027,"node":1028,"title":1029,"subtitle":1030,"topic":1031,"track":72},"sunflowers-count-in-fibonacci",135,"Les tournesols comptent en Fibonacci","Les spirales de graines vont par 34, 55 et 89","Les mathématiques dans la nature",[1033,1034,1035,1036,1037,1038],{"track":65,"count":19},{"track":72,"count":19},{"track":38,"count":19},{"track":58,"count":5},{"track":322,"count":5},{"track":24,"count":5},{"zone":129,"theme":1040,"lessons":1045,"topics":1097},{"key":1041,"name":1042,"light":1043,"dark":1044},"launch-pad","Launch Pad","#bf342c","#d84a43",[1046,1052,1058,1064,1069,1074,1079,1085,1091],{"stage":129,"step":5,"id":1047,"node":1048,"title":1049,"subtitle":1050,"topic":1051,"track":38},"you-cant-see-the-great-wall-from-space",136,"On ne voit pas la Grande Muraille depuis l'espace","La célèbre affirmation est un mythe","Idées reçues",{"stage":129,"step":19,"id":1053,"node":1054,"title":1055,"subtitle":1056,"topic":1057,"track":24},"the-chart-that-lies",137,"Le graphique qui ment","Coupe le bas d'un axe et un changement minuscule paraît énorme","Visualisation de données",{"stage":129,"step":26,"id":1059,"node":1060,"title":1061,"subtitle":1062,"topic":1063,"track":38},"measuring-the-earth-with-a-stick",138,"Mesurer la Terre avec un bâton","Il y a plus de 2 000 ans, un savant a mesuré la planète avec des ombres","Histoire des sciences",{"stage":129,"step":33,"id":1065,"node":1066,"title":1067,"subtitle":1068,"topic":1013,"track":65},"the-three-bowls",139,"Les trois bols","Une main dit chaud, l'autre dit froid, dans la même eau",{"stage":129,"step":40,"id":1070,"node":1071,"title":1072,"subtitle":1073,"topic":178,"track":72},"why-bees-build-hexagons",140,"Pourquoi les abeilles bâtissent des hexagones","Les hexagones stockent le plus de miel avec le moins de cire",{"stage":129,"step":46,"id":1075,"node":1076,"title":1077,"subtitle":1078,"topic":234,"track":58},"why-404",141,"Pourquoi 404 ?","Le fameux numéro de « Not Found » n'est pas une salle du CERN",{"stage":129,"step":53,"id":1080,"node":1081,"title":1082,"subtitle":1083,"topic":1084,"track":72},"the-m-bius-strip",142,"Le ruban de Möbius","Un anneau de papier qui n'a qu'une face et qu'un bord","Topologie",{"stage":129,"step":60,"id":1086,"node":1087,"title":1088,"subtitle":1089,"topic":1090,"track":107},"the-password-manager",143,"Le gestionnaire de mots de passe","Un coffre solide permet à chaque compte d'avoir son propre secret","Sécurité personnelle",{"stage":129,"step":67,"id":1092,"node":1093,"title":1094,"subtitle":1095,"topic":1096,"track":247},"the-only-perfect-cipher",144,"Le seul chiffre parfait","Un masque jetable est incassable si tu ne le réutilises jamais, jamais","Chiffrement",[1098,1099,1100,1101,1102,1103,1104],{"track":38,"count":19},{"track":72,"count":19},{"track":24,"count":5},{"track":65,"count":5},{"track":58,"count":5},{"track":107,"count":5},{"track":247,"count":5},{"zone":135,"theme":1106,"lessons":1111,"topics":1161},{"key":1107,"name":1108,"light":1109,"dark":1110},"cloud-citadel","Cloud Citadel","#0e7fa8","#129dd0",[1112,1117,1122,1127,1133,1139,1144,1150,1156],{"stage":135,"step":5,"id":1113,"node":1114,"title":1115,"subtitle":1116,"topic":207,"track":72},"rice-on-a-chessboard",145,"Du riz sur un échiquier","Double un grain à chaque case et tu ruines un royaume",{"stage":135,"step":19,"id":1118,"node":1119,"title":1120,"subtitle":1121,"topic":345,"track":271},"schr-dingers-cat-was-a-joke",146,"Le chat de Schrödinger était une blague","Le célèbre chat devait montrer à quel point l'idée semblait absurde",{"stage":135,"step":26,"id":1123,"node":1124,"title":1125,"subtitle":1126,"topic":207,"track":72},"the-lily-pad-riddle",147,"L'énigme des nénuphars","Si des nénuphars doublent chaque jour et couvrent l'étang au jour 30, quand était-il à moitié plein ?",{"stage":135,"step":33,"id":1128,"node":1129,"title":1130,"subtitle":1131,"topic":1132,"track":214},"the-cooktop-that-stays-cold",148,"La plaque qui reste froide","L'induction chauffe directement la poêle avec un champ magnétique variable","Génie électrique",{"stage":135,"step":40,"id":1134,"node":1135,"title":1136,"subtitle":1137,"topic":1138,"track":58},"how-google-ranked-the-web",149,"Comment Google a classé le Web","Une page compte quand des pages qui comptent pointent vers elle","Moteurs de recherche",{"stage":135,"step":46,"id":1140,"node":1141,"title":1142,"subtitle":1143,"topic":864,"track":100},"a-is-65",150,"A, c'est 65","Chaque lettre que tu tapes est en secret un nombre",{"stage":135,"step":53,"id":1145,"node":1146,"title":1147,"subtitle":1148,"topic":1149,"track":303},"the-internets-traffic-jam",151,"L'embouteillage d'Internet","Les réseaux ralentissent exprès pour éviter l'effondrement","Contrôle de congestion",{"stage":135,"step":60,"id":1151,"node":1152,"title":1153,"subtitle":1154,"topic":1155,"track":114},"why-mario-has-a-moustache",152,"Pourquoi Mario a une moustache","Dans un sprite de 16×16, une moustache était plus facile à dessiner qu'une bouche","Conception de jeux vidéo",{"stage":135,"step":67,"id":1157,"node":1158,"title":1159,"subtitle":1160,"topic":315,"track":17},"twice-the-data-four-times-the-wait",153,"Deux fois plus de données, quatre fois plus d'attente","Ce qui compte, c'est la vitesse à laquelle une méthode ralentit",[1162,1163,1164,1165,1166,1167,1168,1169],{"track":72,"count":19},{"track":271,"count":5},{"track":214,"count":5},{"track":58,"count":5},{"track":100,"count":5},{"track":303,"count":5},{"track":114,"count":5},{"track":17,"count":5},{"zone":141,"theme":83,"lessons":1171,"topics":1221},[1172,1178,1184,1189,1194,1200,1205,1210,1215],{"stage":141,"step":5,"id":1173,"node":1174,"title":1175,"subtitle":1176,"topic":1177,"track":72},"achilles-and-the-tortoise",154,"Achille et la tortue","Une infinité d'étapes peut tenir dans un temps fini","Séries infinies",{"stage":141,"step":19,"id":1179,"node":1180,"title":1181,"subtitle":1182,"topic":1183,"track":322},"suspension-bridges",155,"Les ponts suspendus","Les câbles changent d'énormes charges en une tension qu'ils supportent","Génie des ponts",{"stage":141,"step":26,"id":1185,"node":1186,"title":1187,"subtitle":1188,"topic":764,"track":72},"the-1089-trick",156,"Le tour du 1089","N'importe quel nombre à trois chiffres mène à la même réponse",{"stage":141,"step":33,"id":1190,"node":1191,"title":1192,"subtitle":1193,"topic":23,"track":24},"the-100-prisoners-riddle",157,"L'énigme des 100 prisonniers","Un plan astucieux change une mort quasi certaine en 31 % de chances",{"stage":141,"step":40,"id":1195,"node":1196,"title":1197,"subtitle":1198,"topic":1199,"track":31},"why-adverts-sound-louder",158,"Pourquoi les pubs sonnent plus fort","Deux sons au même volume peuvent sembler complètement différents","Psychoacoustique",{"stage":141,"step":46,"id":1201,"node":1202,"title":1203,"subtitle":1204,"topic":339,"track":145},"the-women-who-programmed-eniac",159,"Les femmes qui ont programmé l'ENIAC","Six femmes ont programmé le premier ordinateur électronique polyvalent",{"stage":141,"step":53,"id":1206,"node":1207,"title":1208,"subtitle":1209,"topic":946,"track":51},"same-question-different-answer",160,"Même question, réponse différente","Un réglage appelé température rend les chatbots créatifs ou prévisibles",{"stage":141,"step":60,"id":1211,"node":1212,"title":1213,"subtitle":1214,"topic":264,"track":107},"how-long-to-crack-it",161,"Combien de temps pour le craquer ?","Chaque caractère de plus multiplie le travail d'un attaquant",{"stage":141,"step":67,"id":1216,"node":1217,"title":1218,"subtitle":1219,"topic":1220,"track":107},"how-sites-store-your-password",162,"Comment les sites gardent ton mot de passe","Un bon site ne connaît jamais vraiment ton mot de passe","Cybersécurité",[1222,1223,1224,1225,1226,1227,1228],{"track":72,"count":19},{"track":107,"count":19},{"track":322,"count":5},{"track":24,"count":5},{"track":31,"count":5},{"track":145,"count":5},{"track":51,"count":5},{"zone":164,"theme":156,"lessons":1230,"topics":1282},[1231,1237,1242,1247,1253,1259,1264,1270,1276],{"stage":164,"step":5,"id":1232,"node":1233,"title":1234,"subtitle":1235,"topic":1236,"track":72},"the-missing-dollar",163,"Le dollar manquant","Une célèbre énigme d'argent marche en additionnant ce qu'il ne faut pas","Arithmétique",{"stage":164,"step":19,"id":1238,"node":1239,"title":1240,"subtitle":1241,"topic":985,"track":65},"the-cocktail-party-effect",164,"L'effet cocktail party","Ton cerveau peut suivre une seule voix dans une salle bondée",{"stage":164,"step":26,"id":1243,"node":1244,"title":1245,"subtitle":1246,"topic":178,"track":72},"pythagoras-without-algebra",165,"Pythagore sans algèbre","Glisse quatre triangles et le théorème se démontre tout seul",{"stage":164,"step":33,"id":1248,"node":1249,"title":1250,"subtitle":1251,"topic":1252,"track":38},"escape-speed",166,"La vitesse de libération","Quitter la Terre pour de bon demande environ 11 kilomètres par seconde","Astrodynamique",{"stage":164,"step":40,"id":1254,"node":1255,"title":1256,"subtitle":1257,"topic":1258,"track":58},"error-418-im-a-teapot",167,"Erreur 418 : je suis une théière","Un poisson d'avril devenu partie des vrais standards d'Internet","Culture Internet",{"stage":164,"step":46,"id":1260,"node":1261,"title":1262,"subtitle":1263,"topic":1132,"track":214},"the-war-of-the-currents",168,"La guerre des courants","Edison et Tesla se sont battus pour la façon dont l'électricité arriverait chez toi",{"stage":164,"step":53,"id":1265,"node":1266,"title":1267,"subtitle":1268,"topic":1269,"track":107},"credential-stuffing",169,"Le bourrage d'identifiants","Un mot de passe fuité peut ouvrir plein de comptes sans rapport","Hygiène des mots de passe",{"stage":164,"step":60,"id":1271,"node":1272,"title":1273,"subtitle":1274,"topic":1275,"track":247},"the-prime-lock",170,"Le cadenas des nombres premiers","Multiplier est facile ; défaire la multiplication est le secret de la sécurité en ligne","Théorie des nombres",{"stage":164,"step":67,"id":1277,"node":1278,"title":1279,"subtitle":1280,"topic":1281,"track":271},"ghost-particles",171,"Particules fantômes","Des billions de neutrinos te traversent chaque seconde","Physique des particules",[1283,1284,1285,1286,1287,1288,1289,1290],{"track":72,"count":19},{"track":65,"count":5},{"track":38,"count":5},{"track":58,"count":5},{"track":214,"count":5},{"track":107,"count":5},{"track":247,"count":5},{"track":271,"count":5},{"zone":169,"theme":223,"lessons":1292,"topics":1344},[1293,1299,1305,1311,1317,1323,1329,1334,1339],{"stage":169,"step":5,"id":1294,"node":1295,"title":1296,"subtitle":1297,"topic":1298,"track":72},"the-friendship-paradox",172,"Le paradoxe de l'amitié","Tes amis ont sans doute plus d'amis que toi","Mathématiques des réseaux",{"stage":169,"step":19,"id":1300,"node":1301,"title":1302,"subtitle":1303,"topic":1304,"track":214},"braking-into-the-battery",173,"Freiner pour recharger","Les voitures électriques se rechargent un peu à chaque ralentissement","Véhicules électriques",{"stage":169,"step":26,"id":1306,"node":1307,"title":1308,"subtitle":1309,"topic":1310,"track":72},"winning-at-rock-paper-scissors",174,"Gagner à pierre-feuille-ciseaux","Les humains sont nuls pour être aléatoires, et une machine peut en profiter","Théorie des jeux",{"stage":169,"step":33,"id":1312,"node":1313,"title":1314,"subtitle":1315,"topic":1316,"track":100},"the-vote-from-outer-space",175,"Le vote venu de l'espace","Un rayon cosmique a peut-être ajouté 4 096 voix à une élection belge","Informatique binaire",{"stage":169,"step":40,"id":1318,"node":1319,"title":1320,"subtitle":1321,"topic":1322,"track":303},"fast-internet-slow-pages",176,"Internet rapide, pages lentes","La bande passante n'est pas la vitesse : les allers-retours s'additionnent","Performances réseau",{"stage":169,"step":46,"id":1324,"node":1325,"title":1326,"subtitle":1327,"topic":1328,"track":114},"why-characters-fall-through-walls",177,"Pourquoi les personnages traversent les murs","Les jeux cherchent les collisions par instantanés, et ce qui va vite se faufile entre eux","Physique des jeux",{"stage":169,"step":53,"id":1330,"node":1331,"title":1332,"subtitle":1333,"topic":246,"track":247},"the-enigma-machine",178,"La machine Enigma","158 trillions de réglages, changés chaque jour",{"stage":169,"step":60,"id":1335,"node":1336,"title":1337,"subtitle":1338,"topic":253,"track":247},"breaking-enigma",179,"Casser Enigma","Elle est tombée par des habitudes, des suppositions et une salle pleine de machines",{"stage":169,"step":67,"id":1340,"node":1341,"title":1342,"subtitle":1343,"topic":315,"track":17},"greedy-change",180,"La monnaie gloutonne","Toujours rendre la plus grosse pièce marche souvent, jusqu'au jour où ça ne marche plus",[1345,1346,1347,1348,1349,1350,1351],{"track":72,"count":19},{"track":247,"count":19},{"track":214,"count":5},{"track":100,"count":5},{"track":303,"count":5},{"track":114,"count":5},{"track":17,"count":5},{"stage":19,"step":53,"node":129,"id":128,"language":1353,"title":130,"subtitle":131,"topic":132,"track":51,"is_supernode":1354,"languages":1355,"hash":1360,"intro":1361,"num_slides":46,"num_questions":40,"minutes":26},"fr",false,[1356,1357,1358,1353,1359],"de","es","es-419","it","b710cc74b1add3ab",{"icon":1362,"hook":1363,"discover":1364,"why":1368},"bubble.left.and.exclamationmark.bubble.right","Interroge un chatbot sur un livre qui n'a jamais été écrit. Avoue-t-il qu'il sèche, ou invente-t-il un auteur, une année et une intrigue ?",[1365,1366,1367],"Comment un chatbot choisit chaque mot","Pourquoi sûr de soi ne veut pas dire juste","Pourquoi deux avocats ont reçu une amende","Les chatbots sont des aides pratiques. Savoir quand ils inventent te dit quelles réponses revérifier avant de t'y fier."]