the.com/sound waves
air gossiping to your eardrums, one squeeze and stretch at a time.
means a traveling vibration of pressure through a medium, which your ear decodes as sound.
from the physics traces to the 1600s when scientists like Boyle and Newton showed sound needs a medium to travel, unlike light — proven famously by a ringing bell going silent in a vacuum jar.
speed in airabout 343 meters per second at room temp
speed in watertravels roughly 4x faster than in air
vacuum problemno medium means no sound, ever
human rangewe hear roughly 20 hz to 20,000 hz