Changes

==References==

==References==

Schrödinger proposed that an object, when not clearly visible, could be both present and absent simultaneously, hence the "wearing them or not" reference.

[http://en.wikipedia.org/wiki/Schr%C3%B6dinger Schrödinger] proposed that an object, when not clearly visible, could be both present and absent simultaneously, hence the "wearing them or not" reference.

== Collection ==

== Collection ==