Tech

Utah’s red rock towers shake and shimmy to a predictable beat

Enlarge / Eagle Plume Tower in Bears Ears, Utah. Geologists at the University of Utah have developed a mathematical model to predict the fundamental resonant frequencies of this and similar formations based on the particular formations’ geometry and material properties. (credit: Geohazards Research Group) The striking red rock towers and arch formations peppered throughout Southern […]

Tech

New study challenges popular explanation for London’s infamous “Wobbly Bridge”

Enlarge / London’s Millennium Bridge had issues with excessive shaking and swaying when it first opened in June 2000. (credit: Alberto Pezzali/NurPhoto/Getty Images) London’s Millennium Bridge is notorious for its “wobble” when this first opened in June 2k, as thousands of pedestrians streamed across. Londoners nicknamed it “Wobbly Bridge. ” The accepted explanation has been […]