Big Think Einstein's equations and the enigma of wormholes | Janna Levin
Oct 31, 2025
Theoretical cosmologist Janna Levin dives into the intriguing world of quantum wormholes and the complexities of black holes. She challenges traditional views on space, time, and gravity, proposing that while wormholes are mathematically possible, their physical reality remains dubious. Levin discusses Stephen Hawking’s insights on black hole evaporation and the information paradox. She also uses a captivating metaphor of black holes as embroidery woven from quantum threads, offering a fresh perspective on the interconnectedness of the universe.
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Wormholes Are Mathematically Real But Physically Doubtful
- Wormholes are mathematically allowed by Einstein's equations but require exotic matter to hold them open.
- Janna Levin argues that these required forms of matter may never physically exist, making wormholes likely impossible in reality.
Matter Is Defined By Information
- Physical objects are defined by a short list of quantum properties, which we call information.
- Levin emphasizes that conservation of information is a fundamental principle of physics and cannot be violated.
Hawking Radiation Creates The Information Paradox
- Stephen Hawking showed that quantum vacuum pairs near a black hole can let one particle escape as radiation while its partner falls in.
- Hawking concluded this process makes the black hole lose mass and eventually evaporate, raising the information loss paradox.