174K views · 2.9K reactions | Wind is the second-largest clean energy resource, and the portable wind turbine capitalizes on that. | Interesting Engineering | Facebook

454K views · 2.2K reactions | Wind turbines harness energy from the wind without blades. | Interesting Engineering | Facebook

In 1940, Washington State unveiled the Tacoma Narrows Bridge, a bold project meant to connect Tacoma with the Kitsap Peninsula and showcase modern engineering. At 5,939 feet (1,810 m) long with a 2,800‑foot (853 m) main span, it was the third‑longest suspension bridge in the world. But its narrow, lightweight design made it unusually flexible. From the very first days, winds off Puget Sound sent the deck rolling like a wave, earning it the nickname “Galloping Gertie.” Engineers tried quick fixes