Three days ago, I went to Tokyo.

My father is a member of that political party.

He hit the ball.

I bought new shoes.

This park is an important playground for local children.

He reads the newspaper every day.

The stock price is leaping up.

Statistical mechanics is a branch of physics that provides a theoretical framework for understanding macroscopic phenomena from a microscopic perspective.

Bose-Einstein statistics is one of the important concepts in quantum mechanics.

Fermi-Dirac statistics is a theory that combines quantum mechanics and statistical mechanics.