the.com/waves
Energy throwing a party while the medium stays politely seated.
means Disturbances that travel through space or a medium, carrying energy without permanently moving the stuff they pass through.
from From Old English wafian, to wave the hands, tangled with wagian, to sway — the word itself wobbles.
Energy, not matterOcean waves move water in circles, not forward.
Speed demonsLight waves cross a room in nanoseconds.
Standing stillSome waves hold position, vibrating in place forever.
No medium neededLight crosses empty space; sound cannot.