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Subscribe to the channel! https://bit.ly/47Vhx2q Silence on tourne les sous marins - C'est pas sorcier [Complete] We leave aboard a military submarine for the great depths of the oceans. We discover the key positions and essential equipment for navigating, as well as the physical laws that govern the life of a submarine. How to dive and come back up? How to make air to breathe? How to navigate in the greatest silence to avoid being spotted? How to communicate with the surface and how to hear other submarines? Fred and Jamy answer all these questions. "C'est pas sorcier", the science and discovery magazine presented by Fred, Jamy and Sabine. Aboard their laboratory truck, the three presenters take us to unusual and spectacular sites to explain the world around us. Find the shows on YouTube / cestpassorcierftv Follow us on Facebook / cestpassorcier and Twitter @cestpassorcier