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 ...

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.

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 ...

The plastic ball in the Guinness can, also called a "widget," ensures the draught stout has its classic foamy head, as if it were poured from the tap. If you crack open a can of Guinness draught ...