Sid Meier's Alpha Centauri/Technology tree

Centauri Ecology

 * Prerequisite: none
 * Grants:
 * Equipment: Terraforming Unit
 * Secret Project: The Weather Paradigm

Information Networks

 * Prerequisite: none
 * Grants:
 * Facility: Network Node

Social Psych

 * Prerequisite: none
 * Grants:
 * Facility: Recreation Commons

Applied Physics

 * Prerequisite: none
 * Grants:
 * Weapon: Laser