Using high-frequency sound waves to make tunable optical filters, modulators and Q-switches is a well-established and convenient technological solution for many applications, reports Neil Savage.

The process is very similar to ultrasound imaging. However, the sound waves used are within normal hearing range, and they are used to identify objects rather than internal structures. This ...

Maintaining optimal cognitive function has never been more crucial in our fast-paced world, where information overload is the norm. Enter The Memory Wave, an innovative audio solution designed to ...

When sound waves reach the inner ear, neurons there pick up the vibrations and alert the brain. Encoded in their signals is a ...

And all these years later, the sound waves still reverberate. Click through and revisit the California surf scene of the early 1960s and the memorable music that provided its optimistic ...

Sound travels as a wave through the three states of matter: gas, liquid, and solid. Sound travels best through solids because the particles are very close together. A knock on a solid door can be ...