The science pros at TKOR upgrade their giant vortex cannon for stronger air blasts.

This project was inspired by several things—like large vortex cannons used to disrupt hail and a WWII German design meant to bring down aircraft using fuel-ignited vortex rings (though it was never ...

Student demonstrators who gathered in Belgrade on March 15 were panicked by a loud, strange sound some described as "creepy." The audio blast, which sent them scrambling for cover, has stirred ...