Go online today and you’ll see all manner of hula hoops for sale, including weighted hoops for adults and light-up LED hoops, in case you like to twirl in the dark. So don’t be surprised when ...

The price for a hula hoop can range from $10 for a basic plastic hoop to $50 for weighted or “smart hoops” and over $100 for remote-controlled, light-up hoops performers use, she adds.

Hula hoops come in different colors, styles, and sizes. And some even light up. You can also find hula hoops with ball-bearings, beads, or bells inside them that make noise when they're twirled.

After analyzing the results, researchers found that getting a hula hoop up and going could be achieved by any of their “body shape” models. “In all cases, good twirling motions of the hoop ...

It shows up again and again "in a myriad ... how has no one solved that already?' This Hula-Hoop problem is no different." To shed light on the question, Pomerenk and her colleagues created ...