| začátek čtvrtek 16., 22:00 |
konec 23:00 |
TV kanál National Geographic |
tagy dokumenty |
(Mega Marine Machines: Season 3: The Gate Keepers) Inženýrství “Mega Marine Machines” brings viewers inside the most demanding marine operations on the planet, where powerful machines and skilled crews are pushed to their limits. Across oceans, rivers and working coastlines, each episode follows professionals using science, engineering and advanced technology to solve real-world problems on the water. With rare access to ships, shipyards and marine environments, the series reveals how critical decisions are made under pressure. As challenges unfold, the science behind the machines becomes clear, delivering meaningful insights through action-driven storytelling. The result is a forward-looking exploration of how humans are building, operating and innovating on the oceans and waterways of a changing world. At the Soo Locks in Michigan, one of the most vital gateways in America’s industrial chain, the pressure never lets up. Nearly all U.S. iron ore passes through this narrow channel, feeding the steel that powers the nation’s economy. As winter tightens its grip, crews face a relentless race against ice, time and extreme conditions to guide the final freighters of the season through the locks. Tugboats maneuver massive vessels with precision while divers and air-bubbler systems work around the clock to keep the channel from freezing shut. At the same time, engineers push forward on a massive construction project, building a new lock designed to secure the future of this critical corridor. Because if the aging Poe Lock fails, the consequences would ripple across the country, threatening jobs, industries and the movement of American steel. (Canada)
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