Vortex guns are those thing-of-the-movies type guns which can fire doughnut-shaped rings of air. Vortex guns have stayed as toys and odd gadgets for years, until now. But a U.S. lab is recently ...

Vortex guns capable of firing doughnut-shaped rings of air have sat around as toys or oddball gadgets for years. Now a U.S. lab has added an extra kick with electrically charged rings that could clear ...

Mathematicians call the shape of a doughnut a 'toroid'. Physicists call a swirling fluid a 'vortex'. A toroidal vortex, then, is a swirling doughnut of fluid. This video from the Sleek Geeks archive ...

While something called a "vortex gun" might sound like a device from science fiction, the fact is that they have been available as novelties for years - if you've ever used a toy gun that shot out a ...

COLUMBUS, Ohio–Scientists at Battelle have filed a patent application for a device that shoots out rings of gas–an invention that could aid firefighters in suppressing smoke as well as delivering a ...

Those in the defense business, for obvious reasons, are increasingly getting a lot of flack for producing what some would consider instruments of death. That's why, as of late, there's been a growing ...

A vortex gun which can fire doughnut-shaped rings of electrically charged gas could be by firefighters to clear hallways clogged with smoke. The gun fires rings which revolve as they travel but, like ...

Around Christmas time I have a tradition. I like to "borrow" some of my kids' toys and use them for blog posts. So, here we go. This is the Nerf Vortex Nitron Blaster. The Nerf vortex guns are ...

Remember when Nerf blasters were simple, toy-like affairs? Times have changed, and now we have heavy, belt-fed, battery-chugging monstrosities that appeal to cubicle warriors as much as to children.

Mathematicians call the shape of a doughnut a 'toroid'. Physicists call a swirling fluid a 'vortex'. A toroidal vortex, then, is a swirling doughnut of fluid. This video from the Sleek Geeks archive ...