What if you could listen to music or a podcast without headphones or earbuds and without disturbing anyone around you? Or have a private conversation in public without other people hearing you? Our ...

Any sound above 20 000 Hz is called ultrasound. It is too high pitched for humans to hear, but other animals (such as dogs, cats, dolphins and bats) can hear ultrasound. Ultrasound waves are ...

So sound waves move slower through it, which amplifies the lower frequencies in your voice. But here's the fascinating thing. The pitch of your voice hasn't changed when you inhale either gas ...

A team of researchers have developed "audible enclave" technology that creates pockets of sound that can be heard at a ...

This experiment demonstrates how water affects sound waves and pitch. You'll discover how different water levels create different musical notes and learn about the relationship between mass, vibration ...

Sound is a vibration that travels through air as a wave. These waves are created when an object moves back and forth, compressing and decompressing air molecules. The frequency of these vibrations is ...

The scientists then used a microphone to analyse how the sound waves propagated along the grating. The characteristic Rayleigh–Bloch behaviour was observed below a certain pitch: Directly around ...

Maybe you even use pink noise, like the gentle crash of ocean waves against the ... or other device to download sound apps. Since brown noise doesn't fluctuate in pitch like regular music, try ...