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Building earthquake dampers

Building earthquake dampers
Modern skyscrapers use giant shock absorbers filled with specialized oils to survive earthquakes. These seismic dampers contain fluids that flow through tiny holes when the building sways, converting motion into heat and preventing structural damage. The oils must work reliably for decades without maintenance, maintaining consistent viscosity from scorching summer roofs to freezing winters. A single tall building might contain hundreds of these oil-filled dampers, silently protecting it every time the ground shakes or strong winds blow.
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