some details (links) on current - Wireless Power Transmission

So I just wanted to add this link to IEEE, 2013

> wireless transmission

and just point out from the description >

" WPT arrays is still an open research field " 

and this, 2011

> wireless transmission - other

from a Stanford student.

and this, 1992

> beamed microwave transmission

which includes " space " .

and this, 2014

> long distance power transmission

which again includes " space ".

and finally this, approx 2014

>  long-distance-wireless-power-transmission