See this which achives the same goal using nothing more sophisticated than a cardboard tube. Quote:
"A speculative venture I call 'quantum tantra' aims to change all that. By taking advantage of the theoretical quantum inseparability of observer and observed, quantum tantra seeks a more direct unmediated union with nature than conventional measurements can provide. Perhaps such union will take place as a communion of human minds with heretofore undetectable minds inside inanimate objects."