Well, no duh, if it didn't these researchers would be the first to know and the last to tell.
This is about as conclusive as Viking confirming no life exists on Mars. It's not a positive result, but it isn't a negative either.
He was quite a genius, and the real inventor of television, not RCA. I can't understand why his experiments have never been tried to be duplicated. It makes no sense at all for them to have been ignored due to current NIH.
Please see: http://www.farnovision.com/chronicles/fusion/vassilatos.html