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The hidden pockets of the universe where the future can cause the past

The hidden pockets of the universe where the future can cause the past
New Scientist Monday 18 May 2026, 09:00 UTC 1 min read
Key Points

Inside some very special black holes, there may be a boundary called a Cauchy horizon. Columnist Leah Crane explores the place beyond which physics breaks and anything is possible

Inside some very special black holes, there may be a boundary called a Cauchy horizon. Columnist Leah Crane explores the place beyond which physics breaks and anything is possible
Originally published by New Scientist Read original →

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