Quantum approach expanding across many fields there is Quantum biology,cryptograpghy ...
Quantum mechanics statred it , it's mind-blowing and revolutionary subject
silicon industry will hit a wall soon so this is the future
but on the other hand it will be a potential threat for all sorts of cryptography just beacuse https,ssl .. would be too easy to break with a quatum computer and all of our information and transcation won't be safe anymore I 'd encourage you to know more about prime factorization and shor's algorthim @hilarski