If there’s one vape trick that always impresses, it’s the smoke (well, vapor) ring. Not only is it one of the more impressive tricks, but it’s easy to learn and master with little guidance! Struggle ...

The Zero Blaster is a new toy that encourages kids to blow smoke rings, but with a gun—not cigarettes. The Zero Blaster includes a light for fun at day or night and can blow the rings up to a distance ...

These ghostly hoops have been spotted above volcanic events around the world. But how they form has long been a mystery. Mount Etna—located in Catania, Italy—is one of the rare volcanoes that can blow ...

Some scientists think we can better understand volcanoes by learning how the gaseous vortexes emerge. By Carolyn Wilke Some volcanoes perform a rather subtle trick: blowing rings of vapor that waft ...