A round of applause, please: Scientists have finally figured out what’s behind the sound of clapping. The research pinpoints a mechanism called a Helmholtz resonator — the same acoustic concept that ...

This is a preview. Log in through your library . Abstract We prove the existence of and give estimates for scattering resonances for the wave equation of an exterior domain ℝn \ Ω̃, where Ω̃ is a ...

Hand clapping is ubiquitous behavior for humans across time and cultures, serving many different purposes: to signify approval with applause, for instance, or to keep time to music. Acousticians often ...

CC0 Usage Conditions ApplyClick for more information. Observe a demonstration of Helmholtz Resonators from the Physical Science Collection at the Smithsonian's National Museum of American History.

The film demonstrates an experiment using an apparatus to observe the behavior of electrons in a uniform magnetic field. It explains how electrons are accelerated by an electron gun and then deflected ...