The article clearly points out this remains theoretical with several hurdles to be overcome even if the theory was moved along to 'practical' stages. We remain unpossessed of all the understanding to make it work.
Like it says, in the 'far future'.................maybe.
'If the Apocalypse starts, beep me!' - Buffy Summers
'The sky's the limit.....' Jean-Luc Picard, 'All Good Things'
courtesy of Saquist