This article is a few months old. The technology is now being commercialized by the same authors, as Jeeva Wireless: http://www.jeevawireless.com/
Gyvas ( Gee-vas ) is the same cognate in Lithuanian. And same as in Russian, Gyva is the feminine gender of the same word.
The root of the word comes down to us all the way from PIE
[1] https://en.wikipedia.org/wiki/Russian_language [2] https://en.wikipedia.org/wiki/Lithuanian_language [3] https://en.wikipedia.org/wiki/Proto-Indo-European_language