The block universe theory says that time may not actually be passing at all while you read this and that the past, present, and future are all intertwined and exist at the same time, and some scientists believe that this controversial theory may one day be proven true.

As ABC News reports, Dr. Kristie Miller from the University of Sydney’s Center for Time explains that the block universe theory suggests that the universe we live in may actually be a very large block containing “all the things that ever happen at any time and at any place. On this view, the past, present and future all exist — and are equally real.”

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