ELI5: Explain Like I'm 5

Quark matter

Okay kiddo, do you know what atoms are made of? They have tiny things called protons, neutrons, and electrons. These protons and neutrons are made up of even tinier things called quarks.

Now, imagine if all those protons and neutrons in an atom could break apart and become a big gooey soup of just quarks. That's what we call quark matter!

Scientists believe that quark matter might exist in the center of super-dense objects called neutron stars, where gravity is so strong that it can crush atoms together. In that extreme environment, the protons and neutrons might melt and turn into quark matter.

Quark matter is really interesting because it behaves kind of like a liquid and kind of like a gas. Scientists are studying it to learn more about how the universe was formed after the Big Bang. And who knows, someday we might even harness the power of quark matter for energy!