In places such as recording studios, movie theaters or concert halls, the walls are covered in panels that minimize echoes by scattering sound waves. Known as sound diffusers, they tend to be quite ...

I'm a contributor specializing in sleep and beauty content. Aromatherapy can be a secret weapon for promoting sleep, and a diffuser is a simple way to harness its power for more relaxing nights. “It’s ...

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 ...