An algorithm is a mathematical or logical formula designed to solve a specific problem or complete a specific task.

Coordinated Universal Time (UTC) is the primary time standard by which the world regulates clocks and time.

The Doppler effect is a scientific phenomenon that occurs when there is a change in the frequency or wavelength of a wave, such as sound or light, due to the relative motion between the source of the wave and the observer.

The Wikipedia page on the English language provides a comprehensive overview of the English language, including its history, development, characteristics, and global significance.

The Wikipedia page for the European Union provides an in-depth overview of the supranational political and economic organization that consists of 27 member states located in Europe.