It illustrates sound generation using a loudspeaker, examines oscillation, and describes the difference between transverse and longitudinal waves. Various experiments, including the effects of ...

Amazon is experimenting with a different Echo name, and it's one that's so perfect I wish they'd just do it today.

Sound waves can reflect off surfaces. We hear reflected sound as an echo. Hard, smooth surfaces ... but can it travel through a vacuum?A simple experiment will give us the answer.

Researchers found a way to reinvent glass that is self-cleaning and doesn't need harsh chemicals to be water-resistant.

Sound waves can reflect off surfaces ... If we know the speed of sound and the time it takes for the echo to be detected, we can use the equation: Speed = \(\frac{\text{distance}}{\ ...