A tag, a plastic bin, a metal chassis, and a six mile trek from the moment you check your bag at the counter until it gets on the plane.
That s pretty much all there is too it.
Well, of course there are a lot of scanners shooting off to match up your luggage tag to the number on the bin and chassis and there are a lot of machines working to x-ray your luggage and there are a lot of wheels spinning to zip your luggage around at crazy speeds in the right direction.
So hm, I guess there s actually a lot to it.
Here s a detailed explanation on what s happening to your luggage inside the airport.