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Q&A Rigorous Science Meta
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Q&A Parallel universe portals: an infinite hall of mirrors?

Parallel-Universe Portals A solid material has been discovered that, when shaped into a ring and activated (by lowering its temperature below some critical point, let's say), it forms a parallel u...

7 answers  ·  posted 5y ago by Gilad M‭  ·  last activity 5y ago by Gilad M‭

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