In 1971, the Russian physicist Yakov Zel’dovich predicted that electromagnetic waves scattered by a rotating metallic cylinder should be amplified by gaining mechanical rotational energy from the ...

“The condition for amplification is from the rotating perspective of the object,” Cromb explained. “Twisting electromagnetic fields hitting it have become rotationally Doppler ...

"The condition for amplification is from the rotating perspective of the object," explains Marion Cromb. "Twisting electromagnetic fields hitting it have become rotationally Doppler shifted ...

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