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The speed of light is well known, but this was not always the case. It took centuries of work by the most brilliant minds in humanity to reach the value we know today, 299,792,458 meters per second. But how can we reach this value? SUBSCRIBE TO OUR PROJECT: http://catarse.me/cienciatododia FOLLOW ME ON SOCIAL MEDIA! / pedroloos / pedroloos / cienciatododia E-mail: [email protected] A big thank you to the supporters of Catarse who made this video possible: Silvio Barbosa, Pedro Pizzolato, Jackson Cardoso, Héctor Pittman Villarreal, Patricia Guedes, Science Guru, Lucas de Moraes, Roberto Carneiro, Rafael Jacobucci, Henrique Tavitian, Jônatas Almeida, João Pedro and Martim Bottene. Screenplay: Pedro Loos and Greg de Souza Further reading and sources: https://en.wikipedia.org/wiki/Speed_o... https://en.wikipedia.org/wiki/R%C3%B8... https://en.wikipedia.org/wiki/R%C3%B8... https://en.wikipedia.org/wiki/R%C3%B8... https://en.wikipedia.org/wiki/R%C3%B8... https://en.wikipedia.org/wiki/R%C3%B8... https://en.wikipedia.org/wiki/R%C3%B8... ://en.wikipedia.org/wiki/Fizeau%... https://spie.org/publications/tt82_25... https://en.wikipedia.org/wiki/Michels... http:// www-history.mcs.st-and.ac.uk/H...