Monnie sheffield
Small Business Owner, Filmmaker, and Mother in 10012
Most measurements are indirect - they tally the effects of the system on a minute segment of its environment. Quantum Manifestation Code Review Wojciech Zurek and others proved (that even partial and roundabout measurements are sufficient to induce einselection (or environment-induced superselection). In other words, even the most rudimentary act of measurement is likely to probe pointer states.