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itself",{"stage":164,"step":33,"id":1248,"node":1249,"title":1250,"subtitle":1251,"topic":1252,"track":38},"escape-speed",166,"Escape Speed","Leaving Earth for good needs about 11 kilometers a second","Astrodynamics",{"stage":164,"step":40,"id":1254,"node":1255,"title":1256,"subtitle":1257,"topic":1258,"track":58},"error-418-im-a-teapot",167,"Error 418: I'm a Teapot","An April Fools' joke that became part of real internet standards","Internet Culture",{"stage":164,"step":46,"id":1260,"node":1261,"title":1262,"subtitle":1263,"topic":1132,"track":214},"the-war-of-the-currents",168,"The War of the Currents","Edison and Tesla fought over how electricity should reach your home",{"stage":164,"step":53,"id":1265,"node":1266,"title":1267,"subtitle":1268,"topic":1269,"track":107},"credential-stuffing",169,"Credential Stuffing","One leaked password can open many unrelated accounts","Password Hygiene",{"stage":164,"step":60,"id":1271,"node":1272,"title":1273,"subtitle":1274,"topic":1275,"track":247},"the-prime-lock",170,"The Prime Lock","Multiplying is easy; un-multiplying is the secret behind online security","Number Theory",{"stage":164,"step":67,"id":1277,"node":1278,"title":1279,"subtitle":1280,"topic":1281,"track":271},"ghost-particles",171,"Ghost Particles","Trillions of neutrinos pass through you every second","Particle Physics",[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,"The Friendship Paradox","Your friends probably have more friends than you do","Network Mathematics",{"stage":169,"step":19,"id":1300,"node":1301,"title":1302,"subtitle":1303,"topic":1304,"track":214},"braking-into-the-battery",173,"Braking Into the Battery","Electric cars recharge a little every time they slow down","Electric Vehicles",{"stage":169,"step":26,"id":1306,"node":1307,"title":1308,"subtitle":1309,"topic":1310,"track":72},"winning-at-rock-paper-scissors",174,"Winning at Rock-Paper-Scissors","Humans are bad at being random, and a machine can exploit it","Game Theory",{"stage":169,"step":33,"id":1312,"node":1313,"title":1314,"subtitle":1315,"topic":1316,"track":100},"the-vote-from-outer-space",175,"The Vote From Outer Space","A cosmic ray may have added 4,096 votes in a Belgian election","Binary Computing",{"stage":169,"step":40,"id":1318,"node":1319,"title":1320,"subtitle":1321,"topic":1322,"track":303},"fast-internet-slow-pages",176,"Fast Internet, Slow Pages","Bandwidth isn't speed; round trips add up","Network Performance",{"stage":169,"step":46,"id":1324,"node":1325,"title":1326,"subtitle":1327,"topic":1328,"track":114},"why-characters-fall-through-walls",177,"Why Characters Fall Through Walls","Games check for collisions in snapshots, and fast things slip between them","Game Physics",{"stage":169,"step":53,"id":1330,"node":1331,"title":1332,"subtitle":1333,"topic":246,"track":247},"the-enigma-machine",178,"The Enigma Machine","158 quintillion settings, changed every single day",{"stage":169,"step":60,"id":1335,"node":1336,"title":1337,"subtitle":1338,"topic":253,"track":247},"breaking-enigma",179,"Breaking Enigma","It fell to habits, guesses and a room full of machines",{"stage":169,"step":67,"id":1340,"node":1341,"title":1342,"subtitle":1343,"topic":315,"track":17},"greedy-change",180,"Greedy Change","Always giving the biggest coin usually works, until it doesn't",[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":26,"step":33,"node":181,"id":180,"language":1353,"title":182,"subtitle":183,"topic":184,"track":65,"is_supernode":1354,"languages":1355,"hash":1361,"intro":1362,"num_slides":46,"num_questions":40,"minutes":26},"en",false,[1356,1357,1358,1359,1360],"de","es","es-419","fr","it","68a98c9af0f05465",{"icon":1363,"hook":1364,"discover":1365,"why":1369},"eye.slash","You're about to count passes in a basketball game. Easy. So how do smart people miss what's right in front of them?",[1366,1367,1368],"What happens while you count","Why knowing the trick won't save you","What doctors miss in plain sight","It's why drivers miss motorcycles, experts miss the obvious and magic works. Attention has blind spots you can't feel."]