An original approach based on time reversal technique is studied for wireless energy transmission with electromagnetic waves. Experiments around 2.45 GHz are performed in a low-Q cavity of human size ...

This niche quantum computing play could remain a divisive investment.

Wireless power transfer (WPT) working at megahertz (MHz) is now being widely considered a promising candidate for the midrange transfer of a medium amount of power. Efforts have been made to build ...