A sound wave is a vibration that travels through a solid, liquid or gas such as the air or water. A loud sound has a large amplitude, a high pitched sound has a high frequency. Musicians and ...

Scientists have detected cosmic waves that sound like chirping birds in an unexpected place. These bursts of plasma, called chorus waves, ripple at the same frequency as human hearing.

High frequency hearing loss causes problems with hearing high-pitched sounds ... Frequency is a measure of the number of vibrations a sound wave makes per second. For example, a sound measured ...

Scientists have recently detected cosmic waves that mimic the sound of birds chirping, coming from an unexpected source in ...