I lost power the night the 2024 Eaton Fire started in Los Angeles, California. Since I live nearby, I kept checking my phone to find out if, or when, I needed to evacuate. I was receiving concerned ...

Researchers report that lab tests of a new metasurface-based antenna that can harvest 100 microwatts of power, enough to power simple devices, from low power radio waves. This represents an important ...

Creating an ultra-low-powered radio device has always been thought impossible because it would rely on perpetual motion to generate energy. That's because the second law of thermodynamics, one of the ...

Solar-powered cell phone prototypes and rumors abound, but Nokia has a battery-less alternative power source for our cell phones lined up: radio waves. The company told MIT’s Technology Review that it ...

Xperi and the National Association of Broadcasters believe many FM HD Radio stations in the United States should be allowed to raise their digital power levels and could do so without causing ...

My first dabbling in low-power “broadcasting” occurred in childhood. A Radio Shack P-Box kit, namely a wireless AM microphone, was the start. The study of electronics and my work at a community radio ...

Visitors randomly twisting the radio dial while driving through Hot Springs, Arkansas may be surprised to hear psych rock. Or Ozark folk music. Or a guy philosophizing about sci-fi books. Depending ...

Regardless of what it does, every gadget you own needs a power source. Your phone needs a battery and a charger, your computer needs to be plugged into the wall, and so on. But what if you didn't have ...

In South Sudan, most people don't have a TV. They rely on radio to get information. But limited access to power means entire communities of are left in information darkness for days at a time, ...