/technologies/power-management/b/blog/posts/researchers-develop-a-new-technique-for-the-human-body-to-harvest-vlc-waste-energyThe team developed a coil with different designs to harvest RF leakage. (Image Credit: Cui et al., 10.1145/3560905.3568526) Many people have started using 5G technology, but worldwide researchers are currently developing 6G telecommunications. Visib.en-USTelligent Community 12https://community.element14.com/technologies/power-management/b/blog/posts/researchers-develop-a-new-technique-for-the-human-body-to-harvest-vlc-waste-energyFri, 27 Jan 2023 17:05:02 GMT93d5dcb4-84c2-446f-b2cb-99731719e767:db735f33-76dc-4c66-8892-41b40022552fmikepsmith0<p>It is easy to pick up an RF energy signal but extracting any power from it is another thing.&nbsp; I worked for a startup once whose aim was to make products that could use vibration energy.&nbsp; Unfortunately physics go in the way - extracting energy from the system damped the vibration to a stop.&nbsp; Then I calculated how long it would take to charge one AA rechargeable battery and it turns out it would take years.&nbsp; In short, these energy sources can only provude very low powers - there is no such thing as a free lunch.</p><img src="https://community.element14.com/aggbug?PostID=25126&AppID=4&AppType=Weblog&ContentType=0" width="1" height="1">