Lubang cacing
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Dalam fisika dan fiksi, lubang cacing adalah jalan pintas melalui ruang dan waktu. Hingga sekarang masih belum diketahui apakah lubang cacing terbentuk secara alami. Jika lubang cacing benar ada, untuk membuat lubang cacing tetap terbuka, sejenis materi akan dibutuhkan. Jika tidak, lubang cacing akan hilang dengan sangat cepat setelah terbentuk. Jika digambarkan melalui bidang datar, seperti kertas yang dilipat, lubang cacing membengkokan bidang tersebut, sehingga kedua ujung akan saling bertemu (seperti pada gambar).
Istilah lubang cacing pertama kali digunakan oleh John Archibald Wheeler tahun 1957. Namun, pada tahun 1921, matematikawan Jerman Hermann Weyl telah mengusulkan teori lubang cacing.
Pranala luar
- What exactly is a 'wormhole'? answered by Richard F. Holman, William A. Hiscock and Matt Visser.
- Why wormholes? by Matt Visser.
- Wormholes in General Relativity Diarsipkan 2008-10-24 di Wayback Machine. by Soshichi Uchii.
- New Improved Wormholes by John G. Cramer
- White holes and Wormholes Diarsipkan 2011-09-27 di Wayback Machine. provides a very good description of Schwarzschild wormholes with graphics and animations, by Andrew J. S. Hamilton.
- Questions and Answers about Wormholes a comprehensive wormhole FAQ by Enrico Rodrigo.
- Wormhole on arxiv.org
- Large Hadron Collider– Theory on how the collider could create a small wormhole, possibly allowing time travel into the past.
- animation that simulates traversing a wormhole
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