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

Then, when you open the can, you should hear a "pssshhh" sound. That's the gas and liquid leaving the widget, which mixes with the beer, creating that foamy head so iconic in a Guinness draft ...

the beer exploded everywhere after the can was cracked open. In 1997, Guinness released the floating, spherical widget you can see in cans today - which they call the "Smoothifier" - to fix this ...

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

Traditionally, Guinness from a can couldn’t hold a candle to the fresh stuff, even after the widget changed the game back in the late ‘80s (which was eventually voted more important than the ...