Without quantum mechanics, your "computer" would still be a room-sized vacuum tube that cost millions of dollars.
The discovery of the atomic nucleus and the strong nuclear force gave humanity the power of the sun. Applications Of Modern Physics
The famous equation ( E=mc^2 ) is not just a symbol of physics; it is a medical diagnostic tool. Without quantum mechanics, your "computer" would still be
It is easy to look at modern physics and see only complexity. But the story of its applications is one of . Without quantum mechanics