For more than a century, schoolbook physics has divided matter into neat categories like solid, liquid, gas, and plasma. A ...
Quantum spin liquids are exotic states of matter in which spins (i.e., the intrinsic angular momentum of electrons) do not ...
Searches for dark matter particles have come up empty so far, driving theorists to get more creative with their ideas.
But the Big Bang theory predicts that about 5% of the universe's contents should be atoms made of protons, neutrons and ...