White Sands Missile Range, New Mexico – In what could signal a transformative moment in military energy logistics, DARPA recently achieved a striking demonstration: beaming 800 watts of laser energy over a distance of 5.3 miles, converting it back into electricity on the other side—and using it to pop a …

Beyond the limits of human hearing, ultrasonic waves—frequencies above 20 kHz—are rapidly emerging as a powerful enabler of covert communication, secure authentication, and futuristic warfare capabilities. As vulnerabilities in traditional radio-frequency (RF) systems become increasingly apparent, ultrasonic technologies present a compelling alternative. These sound-based communications bypass electromagnetic shielding, offer precise …