[Vroomfondel]

I have Schrodinger's Toilet at my house- I flush it, and if I walk away it keeps running. If I stand and watch it- it stops.

I used to have a Heisenberg uncertainty shower. You could control the pressure or the temperature, but not both.

[G8 Diplomat]

I used to have a Heisenberg uncertainty shower. You could control the pressure or the temperature, but not both.

My dad illustrates the Heisenberg uncertaint principle when he gets lost while driving...he knows how fast he's going by looking at the spedometer, but doesn't know where the heck he is!