Key Concepts
Dark Forest
The universe is a dark forest. Every civilization is a hunter with a gun. Any civilization that reveals its location will be swiftly eliminated.
Wallfacer Project
Exploiting Trisolarans' transparent thinking, Wallfacers devise plans against the invasion, with true intentions known only to themselves.
Dual Vector Foil
A dimensional attack weapon used by advanced civilizations, capable of flattening 3D space into 2D.
Dimensional Reduction
The ultimate strike that destroys lower civilizations by reducing spatial dimensions. One of the cruelest weapons in cosmic warfare.
The Droplet
A probe sent by Trisolaris made of strong interaction material. Perfectly smooth surface. Humanity's most feared weapon.
Curvature Propulsion
Technology achieving faster-than-light travel by warping spacetime. The key breakthrough for interstellar travel.
Black Domain (Slow Light Black Hole)
A natural prison formed by accumulation of curvature trails, reducing local light speed. Civilizations that enter cannot escape.
Pocket Universe
Independent micro-spacetime created by advanced civilizations. The ultimate refuge. Whether to return its matter decides if the universe can reboot.