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Does anyone know how those EMEs compare in size with existing control systems? They seem quite large for what I assume they do.

I don't know the exact measures, but does a D-Wave Quantum Computer fit into the EME? Here's a larger picture: http://www.wired.com/wiredenterprise/wp-content/uploads/2013...

Or they needed very heavy shielding, for whatever reason? I'm curious why that is too, does someone know it?