Tacoma Narrows Bridge (1940) Billah and Scanlan (1991) reported that in fact, many physics textbooks (for example Resnick et al. and Tipler et al.) wrongly explain that the cause of the failure of the Tacoma Narrows bridge was externally forced mechanical resonance. Resonance is the tendency of a system to oscillate at larger amplitudes at certain frequencies, known as the system's natural frequencies. At these frequencies, even relatively small periodic driving forces can produce large amplitude vibrations, because the system stores energy. For example, a child using a swing realizes that if the pushes are properly timed, the swing can move with a very
Something More Than Free Something More Than Free Something More Than Free is the fifth studio album by Jason Isbell. It was produced by Dave Cobb, who also produced Isbell's last record, "Southeastern". The album received the Grammy Award for Best Americana Album at the 58th Annual Grammy Awards. "Something More Than Free" received mostly positive reviews. On Metacritic, the album has a score of 87 out of 100 based on 25 reviews, indicating "universal acclaim." "The A.V. Club"s Eric Swedlund praised the album, writing "though "Something More Than Free" may not repeat Isbell’s album-of-the-year accolades, it continues the magic of that breakthrough LP."