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

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 ...

To do so, Fresnel replaced Huygens' isolated spherical waves by purely periodic ... with some of the simpler diffraction problems as examples illustrating that theory.

By combining ultrasound with a concept called nonlinear acoustics, you can create sound that stays silent until it reaches a ...

Current super-resolution microscopes reveal structural details but lack chemical specificity. To overcome this limitation, researchers developed structured illumination mid-infrared photothermal ...

Russell, CC BY-NC-ND Controlling where sound goes is difficult because of a phenomenon called diffraction—the tendency of sound waves to spread out as they ... personalized audio in public spaces. For ...

Controlling where sound goes is difficult because of a phenomenon called diffraction – the tendency of sound waves to spread ... audio in public spaces. For example, museums could provide ...

Controlling where sound goes is difficult because of a phenomenon called diffraction - the tendency of sound waves to spread out as they travel ... enable personalized audio in public spaces. For ...