Here's a link from the wayback archives about Tesla's wireless power transmission technique

https://web.archive.org/web/20150510072057/http://globalenergytransmission.com/index.php/en/latest-news/27-examining-working-principle-of-tesla-tower

It seems Sergei & Leonid Plekhanov nearly recreated Tesla's technique. The got just so far and then… poof! you didn't hear about them. But they did post a remarkably accurate mathematical description of the effect that Tesla wanted to achieve.

Global transmission of power, low loss, available with simple equipment nearly everywhere on the globe.