Why Does Time Only Move Forward? ⚡ экспресс
Original: "Time as a Cosmological Phenomenon"
A new explanation: it's all about the expansion and shape of the Universe.
Links in the knowledge graph 1
Time is like a river whose channel was carved by the Universe itself. The expansion of space after the Big Bang set the direction of the flow: from past to future. Without this cosmic geometry, time would stand still. New research shows that the arrow of time is an imprint of the entire history of the cosmos.
🎯 If the Universe were contracting instead of expanding, tea could heat itself up, and broken cups could reassemble themselves.
🎬 In the movie 'Tenet', the characters encounter an inverted arrow of time, which would be impossible without disrupting the global geometry of spacetime.