sentence: Physicists can also describe the universe on a microscopic scale with quantum mechanics.
sentences_before: Quantum gravity' is an area of research in physics. Right now, physics is able to describe gravity of real-life sized objects using general relativity.
sentences_after: The goal of quantum gravity is to develop a theory which contains both general relativity and quantum mechanics. However, combining the theories of the big and the small is very difficult in practice.
concept_name: physicist
headings: Quantum gravity
categories: Physics