my personal favorite is
http://en.wikipedia.org/wiki/Schr%C3%B6dinger's_cat
sometimes I wish I'd gone into research after finishing the degree but then i realize i get paid more now than i ever could in research
http://en.wikipedia.org/wiki/Quantum_tunneling
http://en.wikipedia.org/wiki/Quantum_entanglement
this is more related to the article in question above