Case in point, that little shark fin-like structure found on the back end of the top of some cars. As it turns out, there's more to these rooftop fins than mere aesthetics.

The fin on top of a car is called a shark fin antenna. It handles a surprising amount of tech, including the radio, GPS, ...

The shark fin that sits on top of your car is an antenna. It sits on the roof, facing the open sky, to receive better, cleaner digital and analog electrical radio signals—from either a ...

The shark fin is your car's antenna, picking up those signals and sending them to various devices. It is therefore positioned on the roof of your car to ensure that it has optimal reception of the ...