Among the many mysteries of life is the question of why the North American and Middle Eastern standard for line frequency is 60 Hertz (Hz), and why Europe uses 50 Hz. While the Motor Doctor can’t ...

The frequency of 417 Hz is famous for how it helps people change their life and the patterns they follow in life. It helps in the process of change and breaking negative habits and patterns.

For example, if a person hears a tone of 405 Hz in one ear and a tone of 415 Hz in the other, they would be hearing a binaural beat with a frequency of 10 Hz. Skip to main content Mobile Navigation ...

In normal speech fo is typically between 100 to 220 hertz (Hz), or vibrations per second. In contrast, a soprano's fundamental frequency ranges anywhere from 250 to 1,500 Hz.