Res(((o)))nance is a group of a capella singers who are MIT students. It is one of several such groups that give fairly frequent free on-campus performances.
... is covered by US patents 3,726,146 (1973) and 5,353,655 (1994) by L.A. Mishler and US patent 5,800,311 (1998) by P.S.Chuang.
External links
www.gyrotwister.de ...