Abstract: The high-frequency asymptotics of the acoustic noise spectrum is considered for the case of spherically symmetric waves propagating in an unbounded inviscid liquid. Using the Kirkwood and Bethe ...

Abstract: Brick can be made with wastewater sludge. Bench‐scale experimentation indicated that conventional clay and shale ingredients for brick could be partially supplemented with sludge. These so‐called “biobrick” had the look, ...