Hydrogen: The Clean Energy Game-Changer In the race to reach net-zero emissions, one fuel is capturing the world’s imagination—and investment dollars—like no other: hydrogen. In particular, green hydrogen, produced using renewable energy, is emerging as a versatile and powerful energy carrier that emits nothing but water vapor when consumed. Its …

Beyond the range of human hearing, a quiet revolution is underway. Ultrasonic communication—using sound waves above 20 kHz—is emerging as a powerful alternative where radio frequency (RF) technologies fall short. Whether it’s enabling secure proximity-based data exchange, facilitating underwater networks, powering communication in medical implants, or enriching smart retail experiences, …