Time’s Arrow Traced to Quantum Source

Coffee cools, buildings crumble, eggs break and stars fizzle out in a universe that seems destined to degrade into a state of uniform drabness known as thermal equilibrium. The astronomer-philosopher Sir Arthur Eddington in 1927 cited the gradual dispersal of energy as evidence of an irreversible “arrow of time.”



https://www.simonsfoundation.org/quanta/20140416-times-arrow-traced-to-quantum-source/