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Thinking & Learning
Can you steal the most powerful wand in the wizarding world?
lesson duration 05:20
394,845 views
472,978 views
779,425 views
886,985 views
893,940 views
Thinking & Learning
Can you survive the creation of the universe by solving this riddle?
lesson duration 06:24
858,215 views
1,117,804 views
661,682 views
876,476 views
Mathematics
Can you solve the rogue submarine riddle? Difficulty level: Master
lesson duration 06:19
1,070,415 views
33,656,575 views
2,618,804 views
766,197 views
4,448,870 views
2,139,339 views
1,644,457 views
1,256,944 views
1,369,181 views
386,594 views
Science & Technology
This thought experiment will help you understand quantum mechanics
lesson duration 04:59
285,472 views
2,687,826 views
1,806,918 views
687,549 views