Heisenberg, n. (1) Werner Heisenberg (1901-76), a theoretical physicist. (2) A 2015 play by Simon Stephens now at the Pittsburgh Public Theater. (3) Heisenberg's Uncertainty Principle, that thing that proves that thingamabobs can be in different places at the same time or neither place at all, or something like that.
SOURCE: Pittsburgh Post-Gazette at 03:12PM on March 19, 2018