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 ...
A widget is a hollow, spherical piece of plastic with a tiny hole in it - it looks like a little ping pong ball ... the beer exploded everywhere after the can was cracked open. In 1997, Guinness ...
An curved arrow pointing right. 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. Produced by Kevin ...
In the past few decades, Guinness revolutionized both draft beer systems and how to stouts are canned. The key? Nitrogen, and a modified ping pong ball. You’re drinking a can of Guinness.