You’re looking to dive into the world of audiophilia, and you’re instantly bombarded with terms that you don’t know. Hey, it ...

Ultrasound is produced by high frequency vibrations beyond the range of human hearing. The frequency of ultrasound is therefore greater than 20,000 hertz. Ultrasound, like audible sounds, is ...

The atmosphere exerts pressure on all objects in it. When a vibrating body moves in air, it creates slight disturbances of the AMBIENT atmospheric pressure. The AMPLITUDE of these pressure variations ...

You need to know about these quantities used in waves - what they mean, the symbols used for them and the units used to measure them. The amplitude (\(a\)) of a wave is the distance from the centre ...

Instead of using a physically vibrating coil or membrane to push air and produce sound as in traditional speakers, the new graphene method involves rapidly heating and cooling the graphene sheet with ...