Reanalyzing the problem using string theory techniques used in the past to analyze black holes reveals a range of wormhole diameter-to-energy ratios that appear stable. String theory, or more properly "superstring theory", broadly envisions subatomic particles as strings or loops of vibrating energy rather than point-like particles described in more standard physics theories.
Introduce the cosmological possibilities opened by this description of reality, add in a few equations, and the study finds that wormholes suddenly acquire stability, even if constructed of normal matter. "The wormholes can be arbitrarily large," concludes the paper.
Read more at ScienceFair
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