Scientists create battery-free device that harvests Wi-Fi energy
interestingengineering.com
Scientists created a technology that harvests energy from ambient radio waves, potentially replacing batteries in small electronic devices.
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The original was posted on /r/tech by /u/chrisdh79 on 2024-07-25 12:36:57+00:00.

Original Title: Device that turns Wi-Fi signals into electricity created by scientists | This rectifier is designed to operate at extremely low power levels, even below -20 dBm, overcoming the limitations faced by conventional technologies.