I have the very magazine you are speaking of right next to me and i just finished reading the article. I was thinking exactly the same thing. They have a miniature prototype already functional, but as someone else said, it produces far less energy than it consumes, about 100 trillion times less...
AAAHHH! 1/infinity=0! 1/infinity does not=0! why can't this forum make up its mind!
I used to think 1/infinity=0, but now I am not so sure thanks to what this guy said.
great point, i hadn't thought of that.