Most people would never think to make a "hurricane of fire" by molding five jet engines into a circle. The jets have about 130 pounds of thrust apiece, so when they are turned on, they create a stationary tornado with wind speeds up to 300 mph. Gas then gets shot into the wind, where it is ignited creating, well, a hurricane of fire.

A short article on Eckerd College grad Mark Pauline and his fabrication/performance art group Survival Research Laboratories