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Can you steal the most powerful wand in the wizarding world?
Lesson duration 05:20
468,674 Views
531,190 Views
871,119 Views
965,829 Views
956,094 Views
Can you survive the creation of the universe by solving this riddle?
Lesson duration 06:24
914,061 Views
1,184,188 Views
695,057 Views
932,416 Views
Can you solve the rogue submarine riddle? Difficulty level: Master
Lesson duration 06:19
1,124,178 Views
34,499,228 Views
2,714,934 Views
774,025 Views
4,562,944 Views
2,202,556 Views
1,708,497 Views
1,306,481 Views
1,411,598 Views
392,260 Views
This thought experiment will help you understand quantum mechanics
Lesson duration 04:59
288,720 Views
2,854,676 Views