Demography is an important tool for understanding various aspects of society.

I studied linear algebra at university.

I used an optical microscope for an experiment at school.

I am majoring in auditory phonetics at university.

Acoustic phonetics is the study of the physical properties of speech.

Articulatory phonetics is a study about the production of speech sounds.

Infrared astronomy provides a new perspective on understanding the universe.

He is an expert in computational linguistics and is involved in the development of artificial intelligence.

He is an expert in comparative linguistics.

Computational linguistics is the study of analyzing human language with computers.