He is heating up the coffee.

The heat is intense today, it's hard to go outside.

His passion for music is incredible.

He lost everything.

She is planning a date with her current boyfriend.

My boyfriend gave me a gift.

Everyone was surprised by the news.

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

Quantum mechanics is a branch of physics that studies the behavior of microscopic particles.

He is an expert in analytical mechanics and deeply understands its theory.