young woman entering classroom and writing e=mc2 on blackboard - e=mc2 stock videos & royalty-free footage00:20
young woman writing e=mc2 on blackboard then sitting down - e=mc2 stock videos & royalty-free footage00:14
horseshoe magnet in human hand writing text e=mc2 with metal clockworks on blackboard - e=mc2 stock videos & royalty-free footage00:09
cameron speech at demos on creating a responsible society; if we’re over indulged we’re less likely to be able to stick at things. if we... - e=mc2 stock videos & royalty-free footage03:03
mariah carey interview; england: london: selfridges department store: int mariah carey interview sot - good to be in london, loves visiting here and... - e=mc2 stock videos & royalty-free footage03:06
pull focus to scribbled e=mc2 equation, syria (sound available) - e=mc2 stock videos & royalty-free footage00:07