https://www.notebookcheck.net/Wireless-electricity-transmission-achieves-a-new-milestone-The-longest-distance-to-date.1064224.0.html
Wireless electricity transmission achieves a new milestone: The longest distance to date -...
A US military defense agency could transmit energy across 8.6 kilometres during 60 seconds. This marks the longest distance achieved in laser wireless...
the longest distancewireless electricity