<p>Schrödinger’s Cat
if you watch the big bang theory then you probably know what it is. </p>
<p>Basically if there is a cat in a box, and a poison vile could be triggered and might not be triggered, then you must think of the cat as both dead and alive until you open it and see.</p>
<p>[Schrödinger’s</a> cat - Wikipedia, the free encyclopedia](<a href=“http://en.wikipedia.org/wiki/Schrödinger’s_cat]Schrödinger’s”>Schrödinger's cat - Wikipedia)</p>