Here is a way to have fun coloring while learning about the living world. These coloring pages and worksheets feature different areas of biology as well as fun
great concept tacoma bridge resonanzkatastrophe
2006/10/24 - On July 1, 1940, the Tacoma Narrows Bridge at Puget Sound in the state of Washington was completed and opened to traffic. From the day of its opening the bridge . The bridge opened on July 1, 1940, with great fan fare. タコマナローズ橋（タコマナローズきょう、Tacoma Narrows Bridge：タコマ橋）は、アメリカ合衆国・ワシントン州のピュージェット湾口の海峡タコマナローズ（Tacoma Narrows）に架かる吊り橋。 初代の橋は設計上の問題により、架橋後間もない1940年11月7日、 . The Tacoma Narrows Bridge is a pair of twin suspension bridges that span the Tacoma Narrows strait of Puget Sound in Pierce County, The new bridge marks the first installation of the new Good To Go electronic toll collection system. Main cables: During the collapse, the main suspension cables were thrown violently side to side, twisted, and tossed 100 feet into the air. They slipped from their positions in the cable saddles atop each tower. And, they fell hard on the .