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 ...

Ever opened a can of Guinness and noticed a strange rattling sound when you shake it? There's a foreign object in there. But, it has a purpose. Follow Tech Insider: On Facebook More from Science ...

Have you ever noticed the clink-clank of a tiny object rattling around the inside of an empty Guinness bottle or can? That little ... like a little ping pong ball. During the canning process ...

Guinness has launched a new advertisement featuring a joyful dancing can that emphasises how the Guinness Nitrosurge device enables consumers to achieve the perfect pour at home. Developed by AMV BBDO ...

It basically looks like a little ping pong ball. During the canning process ... the widget through its tiny hole, per Guinness. Then, when you open the can, you should hear a "pssshhh" sound.