What Is Plasma?

What Is Plasma?

Plasma is often called the fourth state of matter, alongside solid, liquid, and gas. It is a highly energetic state in which atoms are stripped of some or all of…
What Are Quasars?

What Are Quasars?

Quasars are among the brightest and most powerful objects in the universe. Their name comes from “quasi-stellar radio sources” because, when first discovered in the 1960s, they looked like faint…
What Is String Theory?

What Is String Theory?

String theory is a theoretical framework in physics that attempts to explain all fundamental forces and particles as vibrations of tiny, one-dimensional objects called strings. Instead of viewing particles like…