Stereos

This morning I was wondering how stereos work. So I did some research and I figured out how. So if you didn't know how sound works I'll tell you. So let's say I was playing the guitar and so when I hit the strings the string vibrates and those vibrations move the molecules then your ear picks that up and you brain interprets it so you hear sound.



So stereos have 2 main parts, an electro magnet and a permanent magnet. Inside the stereo is 2 electro magnets and in the middle is a permanent magnet. the 2 electro magnets turn on and off to make the permanent magnet vibrate and it starts the process above. So now you know how stereos work. Headphones and earphones work the same but smaller.