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15:15 Mathematics A performance of "Mathemagic" - Arthur Benjamin lesson duration 15:15 1,685,839 views
03:57 Physical Science The science of macaroni salad: What's in a mixture? lesson duration 03:57 448,241 views
04:16 Technology The shape-shifting future of the mobile phone - Fabian Hemmert lesson duration 04:16 46,619 views