Zen and the Art of Quantum Electromagnetics
Quantum Physics says beer only comes in discrete quanta, such as 12 oz, 16 oz, 32 oz, six packs and assorted kegs. The store dont sell 3 oz beers or 19 .747545322 oz beers. You can get an available quantum or be thirsty.
Actually it says that about electromagnetic energy, not beer. Lets assume water molecules can only exist in two states, corresponding to 20 degrees and 60 degrees Centigrade. A glass of water at 47 C has no molecules at 47 C,