Long-overlooked marvel of ancient Indigenous engineering gets validation in Ohio
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YouTubePBS NewsHour
Long-overlooked marvel of ancient Indigenous engineering gets validation in Ohio
On Native American Heritage Day, we examine a long-overlooked marvel of ancient engineering that had been tucked away beneath a golf course in Ohio. It is a place some archaeologists say is on par with Stonehenge. But its struggle for recognition spanned decades, ending only recently with validation as the state’s only World Heritage site ...
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Superstructures Engineering
32K views · 156 reactions | From the world's biggest plane and largest free-spanning dome, watch as SuperStructures: Engineering Marvels reveals the most extraordinary engineering feats in the world. | National Geographic Africa | Facebook
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32K views · 156 reactions | From the world's biggest plane and largest free-spanning dome, watch as SuperStructures: Engineering Marvels reveals the most extraordinary engineering feats in the world. | National Geographic Africa | Facebook
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188K views · 6.1K reactions | The International Space Station (ISS) uses radio waves to connect to Earth—and the science behind it is out of this world ️ Superstructures: Engineering Marvels is now streaming on Disney+ and Hulu. | National Geographic TV | Facebook
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188K views · 6.1K reactions | The International Space Station (ISS) uses radio waves to connect to Earth—and the science behind it is out of this world ️ Superstructures: Engineering Marvels is now streaming on Disney+ and Hulu. | National Geographic TV | Facebook
FacebookNational Geographic TV
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On the AN-225, steering isn’t done by levers, but through a fly-by-wire hydraulic system that turns small pilot inputs into the power needed to move its vast control surfaces. Superstructures: Engineering Marvels is now streaming on Disney . | National Geographic Science
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On the AN-225, steering isn’t done by levers, but through a fly-by-wire hydraulic system that turns small pilot inputs into the power needed to move its vast control surfaces. Superstructures: Engineering Marvels is now streaming on Disney . | National Geographic Science
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