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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":91,"step":53,"node":681,"id":680,"language":1353,"title":682,"subtitle":683,"topic":684,"track":214,"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","73bac28f337f02a8",{"icon":1363,"hook":1364,"discover":1365,"why":1369},"microwave.fill","A chocolate bar, a ruler and a kitchen appliance. Could that really be enough to measure the fastest thing in the universe?",[1366,1367,1368],"Why your leftovers heat unevenly","What melted spots are secretly marking","What the number on the oven reveals","Radio, Wi-Fi, GPS and X-rays all ride the same kind of wave. Measuring one in a kitchen makes them all real."]