Schrödinger's cat - Wikipedia, the free encyclopedia, Dana Thompson Durso: two things for tomorrow: http://en.wikipedia.org/wiki/Uncertainty_principle http://en.wikipedia.org/wiki/Schr%C3%B6dinger%27s_cat

Schrödinger's cat is a thought experiment, sometimes described as a paradox, devised by Austrian physicist Erwin Schrödinger in 1935. It illustrates what he saw as the problem of the Copenhagen interpretation of quantum mechanics applied to everyday objects, resulting in a contradiction with common ...

http://en.wikipedia.org/wiki/Schrödinger's_cat