Dark matter traveling at relativistic speeds, less than ultra-relativistic particles, but more than classical particles.

(physics) A predicted very high energy state of matter, present in the very early universe for perhaps 10⁻³⁶ seconds after the Big Bang, when strong, weak, electromagnetic, and gravitational forces were undistinguished.

Dark matter traveling at classical, non-relativistic speeds

(physics) A predicted very high-energy state of matter, present in the very early universe for perhaps 10⁻¹² seconds after the Big Bang, when strong, weak, and electromagnetic forces were undistinguished.

person specializing in condensed matter physics

plural of condensed matter physicist

To stop pursuing something about which there is a dispute, disagreement, etc.

(US, law enforcement, politics) Synonym of police lives matter

(politics) A rallying call and statement of protest, concerning police brutality and racially motivated violence against black people.

(US, politics, law enforcement) A phrase used to counter "black lives matter", rallying people to defend police officers and their use of lethal force in carrying out their duties.