Current discussion , from other source <a href="https://news.ycombinator.com/item?id=7148899#up_7150174" rel="nofollow">https://news.ycombinator.com/item?id=7148899#up_7150174</a> (74 points, 16 hours ago, 15 comments)<p>It's not a real monopole. It's a simulation of a monopole using a special solid state system.