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WORMHOLE [2 records]

Record 1 2019-12-03

English

Subject field(s)
  • Astrophysics and Cosmography
  • Relativity (Physics)
  • Interplanetary Space Exploration
  • Space Physics
DEF

[...] a short passage in spacetime that directly connects two universes or two distant regions within the same universe.

CONT

The problem with using wormholes to travel in space or time is that they are inherently unstable. When a particle enters a wormhole, it creates fluctuations that cause the structure to collapse in upon itself.

French

Domaine(s)
  • Astrophysique et cosmographie
  • Relativité (Physique)
  • Exploration interplanétaire
  • Physique spatiale
CONT

Un trou de ver est un objet théorique, solution des équations de la relativité générale, qui connecte deux régions éloignées de l'Univers.

CONT

Dans les premiers modèles, un trou de ver s’étire jusqu’à s’effondrer si rapidement sur lui-même qu’aucune forme d’information ne peut le traverser. Des trous de ver stables ont été obtenus dans d’autres modèles, mais ils font appel à de la matière exotique de nature inconnue (dotée d'une pression négative, comme l’énergie sombre).

Spanish

Save record 1

Record 2 2019-12-03

English

Subject field(s)
  • Wireless and Mobile Communications
  • Information Technology (Informatics)
  • IT Security
CONT

In the wormhole attack, an attacker records packets (or bits) at one location in the network, tunnels them (possibly selectively) to another location, and retransmits them there into the network.

OBS

The wormhole attack is possible even if the attacker has not compromised any hosts, and even if all communication provides authenticity and confidentiality.

French

Domaine(s)
  • Communications sans fil et mobiles
  • Technologie de l'information (Informatique)
  • Sécurité des TI
CONT

Une attaque par trou de ver se produit lorsque deux nœuds malveillants/compromis font croire que le trajet les reliant est très court.

Spanish

Save record 2

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