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 ...

Over 20 years, they have tinkered with a “vortex ring gun” that they say can be used in a number of emergency scenarios. The device is still in its development stages, but Battelle filed a ...

A gentler tap on the 'gun' produces a slower fog ring in which the swirling is toroidal clearly visible. Each tororidal vortex drags a trail of fog or smoke through the air until the ring itself ...

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 ...

Deputy Prime Minister and Minister of Interior Ivica Dačić responded, saying Serbia doesn't own a vortex ring gun, vortex ...

To see the gun in action, go to http://tinyurl.com/8xu2npq Engineers at the Battelle Memorial Institute are patenting a special vortex gun they developed. It might ...

A mini air gun The plant's reproductive capsules start ... the spores explode out of the tube in a mushroom cloud-shaped vortex ring. The spores then ride the wind to new habitats.

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 ...

A gentler tap on the 'gun' produces a slower fog ring in which the swirling is toroidal clearly visible. Each tororidal vortex drags a trail of fog or smoke through the air until the ring itself ...

The Serbian government has been accused of using a sonic weapon against anti-government demonstrators during a protest in Belgrade, Serbia. At around 7 p.m. local time on Saturday, during a 15 ...