Quantization is an important concept in physics.

He loves physics and studies it in the library almost every day.

I am majoring in physical chemistry at university.

He is a world-famous physicist.

He understands the importance of learning.

He is majoring in psychology.

Gaku is my best friend.

He has a deep interest in archaeology.

Quantum chromodynamics is a part of particle physics that describes strong interactions.

He proposed a new theory about quantum mechanics.