Hip Squeaks

Unfortunately, Ceramic-on-Ceramic (CoC) implants used in Total Hip Arthroplasty (THA) can sometimes squeak. The problem has been examined by an Australian team led by Dr. David Owen from the Department of Orthopaedics and Trauma, The Canberra Hospital, Australia. They report in the European Journal of Orthopaedic Surgery & Traumatology, 2014 Jan;24(1):57-61. ‘The natural history of […]

Coming Event: Squeaks on a Chalkboard

The highlight of the 162nd Meeting of the Acoustical Society of America, in San Diego. will almost certainly be the session about the psychoacoustics of chalkboard squeaking.It builds on the work of 2006 Ig Nobel Prize (in acoustics) winners  D. Lynn Halpern, Randolph Blake and James Hillenbrand, who in 1986 published the study “Psychoacoustics of a Chilling Sound,” The new session […]