Skyscrapers aren’t as rigid as they look - they sway in the wind and shake in earthquakes. This video reveals how hidden liquid dampers keep them steady, safe, and standing tall.

(CNN) — On October 12, 1977, banking giant Citicorp opened the tallest new skyscraper in New York City since the early 1930s. From afar, the 915-foot tower’s distinctive sloped roof cut through the ...

Breakthroughs, discoveries, and DIY tips sent every weekday. Terms of Service and Privacy Policy. A 117-story skyscraper in the Chinese port city of Tianjin has stood ...