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-minute ...
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 ...
Air cannons produce visible vortex rings by generating rotating air pressure differences, while electromagnetic cannons emit electromagnetic vortex pulses using coaxial horn antennas. The ...
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