Have you ever wondered why there is a plastic ball sitting at the bottom of your empty Guinness can? Turns out it's an ...

You've probably noticed that little ball making a racket inside your can of Guinness. As it turns out, it's part of the ...

It basically looks like a little ping pong ball ... but if the beer was warm, it could overflow after the can was cracked open, per Cool Material. In 1997, Guinness released the floating ...

Guinness is known for the minuscule nitrogen bubbles that carbonate the beer and give it a smooth, creamy texture. This is owed to a tiny plastic ball widget inside the can that releases gas when ...