October 1, 2010 Add as a preferred source on Google Add as a preferred source on Google Commercial flash diffusers and bounce cards are pricey for what they are, thin sheets of foam and plastic. This ...

Sound diffusers based on acoustic metasurfaces can be one order of magnitude thinner than conventional diffusers while retaining comparable performance, Yun Jing and colleagues report in Physical ...

The device, created by technologists from North Carolina State University, also promises to require less material. This leads to a reduced cost as well as taking up far less space than diffusers ...