The new protocol-independent method uses power waves for secure battery-free sensor authentication, ensuring efficiency and ...

As drones survey forests, robots navigate warehouses and sensors monitor city streets, more of the world’s decision-making is ...

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 ...

This prototype millimeter-wave radar sensor developed at UC Davis is capable of measuring extremely small vibrations and movements while being energy-efficient and cheap to produce. (Omeed Momeni/UC ...