Some version of the Hula-Hoop has been around for millennia, but the popular plastic version was introduced by Wham-O in the 1950s and quickly became a fad. Now, researchers have taken a closer look ...
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How do Hula-Hoops work?
The Hula-Hoop is one of the most famous toys in history, but the science behind it has gotten little attention. Some of us ...
Hula hooping is so commonplace that we may overlook some interesting questions it raises: 'What keeps a hula hoop up against gravity?' and 'Are some body types better for hula hooping than others?' A ...
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