Sound has dimension, and it's sometimes easy to forget just how big sound can be. At 20 Hz we're talking about a 56.5-foot wavelength, calculated using 1130 feet per second as a typical value for the ...

Brown noise has a low, natural sound, so many people find it easier on the ear than white noise. Examples of brown noise include rushing waterfalls or rivers, heavy rainfall, and rumbling thunder.

Visualization of the acoustic rainbow emitter (ARE) The morphogenetical topology optimization method shapes the scattering inclusions, shown as grey material. When the ARE is excited by a monopolar ...

In theory, a common feature of Mie-resonance particles is the high refractive index relative to the background medium. Although the requirement can be naturally fulfilled by a variety of ordinary ...