What is quantum science?

Quantum science,
also called quantum mechanics, is the branch of science that describes the behavior of photons
and sub-atomic particles. This behavior is very different from what is observed in the world of
classical physics. The word quantum describes something that only exists in specific amounts. A
staircase is anof something that is quantized, since you can only stand on one step or another,
not in between. An elevator would not be quantized, as it's not limited to certain...