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Researchers propose a wormhole that needs no exotic matter, linking black holes to quantum teleportation and offering a route for information to exit black
In a breakthrough paper, theorists describe a traversable wormhole that can stay open without exotic material, allowing something that falls into one black hole to emerge from another [1]. The mechanism relies on a quantum connection that generates the necessary negative energy at the wormhole’s throat, a process mathematically identical to quantum teleportation [1].
Key takeaways
The concept traces back to Kip Thorne’s 1985 discussion with author Carl Sagan, who needed a plausible way for his character to travel through a black hole in Contact [2]. Thorne realized that a conventional black hole would destroy anything that entered, but a wormhole— a tunnel through space‑time—might allow passage if kept open. Early models required “exotic material” with negative energy to prevent collapse, a notion that fascinated physicists but seemed physically forbidden [2].
Decades later, Ping Gao, Daniel Jafferis, and Aron Wall proposed a new class of wormhole that avoids exotic matter altogether. They showed that when two black holes are entangled in a specific way, the negative energy needed to keep the wormhole throat open can be generated from outside the system [1]. In this configuration, an object dropped into one black hole would travel through the wormhole and emerge from the other, mirroring the steps of quantum teleportation—a protocol first described in 1993 and now realizable in laboratory settings [1].
The black‑hole information paradox, first highlighted by Stephen Hawking’s 1974 discovery that black holes emit random Hawking radiation, challenges the principle of unitarity in quantum mechanics [1]. If information truly disappears inside a black hole, the fundamental tenet that quantum information is never lost would be violated. Some theorists, such as Joseph Polchinski, have suggested that black holes lack interiors, ending in a “firewall” that destroys incoming data [1].
John Preskill, a leading expert on quantum gravity, argues that the new traversable wormhole model supports the existence of black‑hole interiors, because an observer could enter a black hole and later report what they saw [1]. This perspective aligns with the “ER = EPR” idea originally put forward by Juan Maldacena, Leonard Susskind, and others, which equates wormholes (Einstein‑Rosen bridges) with entangled particle pairs (Einstein‑Podolsky‑Rosen pairs) [1]. By extending this equivalence to a traversable wormhole and quantum teleportation, the theory provides a concrete mechanism for information to escape, potentially reconciling general relativity with quantum mechanics.
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AI-assisted synthesis by the TrendWatcher Editorial Desk · sourced from 2 outlets · Jun 13, 2026 · How we report
Yes, wormholes are predicted by the theory of general relativity, but their existence remains hypothetical.
Some physicists suggest that wormholes could be traversable with exotic matter, but others propose that microscopic wormholes may be possible without it.
The Einstein-Rosen bridge is a type of wormhole that connects two parts of spacetime, discovered by Ludwig Flamm in 1916.
If the proposal withstands further scrutiny, it would offer a testable framework for how information can leave black holes, preserving unitarity and informing the quest for a quantum theory of gravity. Future work will aim to refine the mathematical model, explore experimental analogues, and assess whether the required quantum entanglement between black holes can arise naturally in the universe. The development marks a rare convergence of speculative ideas from science fiction, quantum information theory, and high‑energy physics, pointing toward a deeper understanding of space‑time itself.
The Schwarzschild wormhole is a type of wormhole that would collapse too quickly for anything to cross from one end to the other.
Exotic matter is a type of matter with negative energy density that could potentially be used to stabilize wormholes.