The conservation of energy only applies to a closed system. If we can "create" a...

		tremon on Jan 21, 2021 \| parent \| context \| favorite \| on: Paradox-free time travel is theoretically possible The conservation of energy only applies to a closed system. If we can "create" an apple at any given point in time, that only means that "the universe at a given point in time" isn't a closed system.