Thousands of marine species from microscopic zooplankton to the largest cetaceans rely on sound for survival and many have ...

For a sound to be heard you need three things: A vibrating object A ... This vibrates the cone which creates the sound waves. Sound waves can reflect off surfaces. We hear reflected sound as ...

In order for a fire to sustain itself, it needs three things: fuel ... Using an air vortex cannon to focus the sound waves from the bass reflex port, it ‘wiggles’ the flame out in a matter ...