The wavelength is unchanged after diffraction. A gap width similar to the wavelength of the waves passing through causes a lot of spreading, eg sound waves passing through a doorway. A gap width ...

New research offering bendable sound waves that can reach only one set of ears could be the next tech revolution.

Using high-frequency sound waves to make tunable optical filters, modulators and Q-switches is a well-established and convenient technological solution for many applications, reports Neil Savage.

The goal of the current project is to open a new field of research by realizing the first diffraction experiments of atomic matter waves through crystalline 2D membranes like graphene. Such ...

IN 1924, Prince Louis de Broglie put forward the thesis that all material particles, and in particular electrons, have properties analogous to those of a train of waves. This view, which is now ...

Controlling where sound goes is difficult because of a phenomenon called diffraction – the tendency of sound waves to spread ...

Controlling where sound goes is difficult because of a phenomenon called diffraction – the tendency of sound waves to spread out as they travel. This effect is particularly strong for low-frequency ...

Many acoustical engineers work with architects to help design buildings in order to control sound diffraction, refraction, absorption and reverberation ... Focusing on frequencies of sound waves, ...