This is very interesting stuff as it could allow for trickle charging, if not directly powering, simple contact sensors etc.
Energy-harvesting card treats 5G networks as wireless power grids (newatlas.com)
This is very interesting stuff as it could allow for trickle charging, if not directly powering, simple contact sensors etc.
Energy-harvesting card treats 5G networks as wireless power grids (newatlas.com)