Optical cavities, also known as optical resonators, are structures that confine light within a small volume by utilizing highly reflective surfaces. These cavities allow light to circulate or bounce ...

The “Helmholtz resonator” concept explains the frequencies of sound produced by clapping the hands together in different configurations.

rather than existing in an exclusive cavity. Calculations also show that without the electron the same volume would only contain 30 molecules, indicating that the hydrated electron is attractive.

[Curious Droid] is back with a history lesson on one of the most important inventions of the 20th century: The cavity magnetron. Forged in the fighting of World War II, the cavity magnetron was ...

Some of the types of brachytherapy treatment are intracavitary, with sources placed into a body cavity, and interstitial, with sources implanted into the tumour volume. Some brachytherapy treatments ...