An antiparticle is a particle that pairs with a matter particle.

In this experiment, we will observe the behavior of α particles.

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 acted according to my instructions one by one.

An electron gun is a device for generating an electron beam.

I often read e-books.

He decided to quit smoking electronic cigarettes.

I bought a coffee using electronic money.