Ever wondered why there’s a plastic ball in your can of Guinness? It’s not just a quirky feature—it’s brilliant beer science. In this video, see how this tiny device, called a widget ...

The Guinness widget is a tiny, plastic ball inside beer cans. During canning, pressurized nitrogen is added to the brew, which trickles into a hole in the widget. Once opened, the widget's ...

Today, "shade balls" got their moment in the sun. On Monday afternoon, the 20,000 black plastic balls tumbled down the slopes of Los Angeles Reservoir, joining 95,980,000 of their brethren already ...

#shadeballs.” Indeed, there aren’t many people who haven’t already seen a video or photograph of the four-inch black plastic balls covering the Los Angeles Reservoir. The deployment in ...

They resemble hamster balls but are large enough for humans. People climb into the plastic, airtight balls and then roll around -- or try to walk -- on water in pools, lakes or rivers.

Reports of mysterious "shade balls" in Los Angeles reservoirs have been bobbing to the surface. But the black plastic spheres are there for a reason. Partially filled with water, they are now ...