schrodinger's dishwasher

A. When you are unsure if the dishes in the dishwasher are clean or dirty and you have to open the dishwasher to find out.

B. When you expect to find clean dishes in the dishwasher, but you open it to find dirty dishes.

A. "Do you know if the dishwasher ran last night?" "I'm not sure. It's Schrodinger's dishwasher."

B. <Opens dishwasher to find dirty dishes.> "Crap! Shrodinger's dishwasher!"