科学与环境
Arctic infrastructure was built on frozen ground—drones and digital twins can help spot the permafrost thaw coming
From the air, Wainwright, Alaska, looks like a perfectly stable band of homes and roads between the Chukchi Sea and a vast, flat tundra. But just below the surface, the frozen ground on which this town was built contains large bodies of ice. Along the eroding coastal bluffs, that
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