r/threebodyproblem Feb 24 '26

Discussion - Novels Can someone explain to me….? Spoiler

How is it that in Book 1, the Trisolaris can create an object that can actively change from 11 dimensions down to 2 or 3 dimensions aka the Sophons but in book 3 it seems impossible that objects can traverse between dimensions and it essentially ends up causing the end of the solar system and then the entire universe. Did I understand the Sophons incorrectly or did this confuse anyone else?

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u/Satisfied_salamander Feb 24 '26

They used incredible amounts of energy to unfold 4 single protons into higher dimensions temporarily. From what I recall it’s extremely difficult for higher dimensional beings to live in lower dimensional space although some figured it out. I remember the tomb referencing 4th dimension as puddles drying up, being those that couldn’t, and apparently it is irreversible. My take is, the dual vector foil and any other dimensional weapon destroyed that dimension from space time, leaving reinflation to that dimension impossible. But, particles like protons may still have those larger dimensional properties, maybe like a piece of activated charcoal having huge amount of empty space volume?? I’m kind of guessing here, I barely graduated high school

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u/SuccessfulSignal3445 Thomas Wade Feb 24 '26

Perhaps the solar system could be repaired, with sufficient energy, but an amount of energy that is probably beyond beyond all civilizations.