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Physics research

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This article is for the PC version of Stellaris only.

Physics Research Physics research area is comprised of three tech trees: Computing.png Computing, Field Manipulation.png Field Manipulation and Particles.png Particles. The area provides access to several key points, including: additional research capabilities, strategic resources reveal, point-defense & energy weapons, improved FTL capabilities, improved energy production & storage, and more.

A Scientist with an expertise trait in one of the tech trees increases the weight for that tech tree's technologies by 25%.

Contents

Legend

Colors: Starter, Rare, Dangerous

Icons:   Building,   Ship Component,   Starbase building,   Edict,   Feature Unlock

Technologies that show arrows on their icon are repeatable and can be researched multiple times.

Field Manipulation

The   Field Manipulation tech tree focuses   Energy and   Shields. The weight for Energy techs can be increased by 25% by adopting the Prosperity tradition tree.

High-Energy Capacitors
  Generator District
Field Modulation
Cost: 2000, Weight: 100
  +20% Energy from Jobs
Quantum Energy States
Cost: 4000, Weight: 85
  +20% Energy from Jobs
Applied Superconductivity
Cost: 50000, Weight: 12.5
  +5% Energy from Jobs
Quantum Field Manipulation
Cost: 8000, Weight: 65
  +20% Energy from Jobs
Global Energy Management
Cost: 3000, Weight: 180
  Energy Grid
  Capacity Overload
Planetary Power Grid
Cost: 6000, Weight: 70
  Energy Nexus
Deflectors
  Deflectors
Improved Deflectors
Cost: 3000, Weight: 112.5
  Improved Deflectors
Shields
Cost: 6000, Weight: 87.5
  Shields
Shield Capacitors
Cost: 6000, Weight: 70
  Shield Capacitors
Advanced Shields
Cost: 12000, Weight: 62.5
  Advanced Shields
Hyper Shields
Cost: 24000, Weight: 43.75
  Hyper Shields
Dark Matter Deflectors
Cost: 50000, Weight: 1
  Dark Matter Deflectors
Shield Harmonics
Cost: 50000, Weight: 12.5
  +5% Shield Hit Points
Planetary Shields
Cost: 8000, Weight: 32.5
  Planetary Shield Generator

Particles

The   Particles tech tree focuses on energy weapons, ship power generation and FTL travel.

  • The weight for weapon techs can be increased by 25% by   Militarist ethic and by 50% by   Fanatic Militarist
  • The weight for FTL techs can be increased by 25% by adopting the Discovery tradition tree
  • Gateway and Wormhole technologies will only appear after discovering them through exploration
  Red Lasers
  Red Lasers
  Blue Lasers
Cost: 2500, Weight: 95
  Blue Lasers
  Flash Coolant
Cost: 50000, Weight: 12.5
  +5% Energy Weapons Fire Rate
  Disruptors
Cost: 5000, Weight: 75
  Disruptors
  Ion Disruptors
Cost: 8000, Weight: 65
  Ion Disruptors
  Phase Disruptors
Cost: 16000, Weight: 45
  Phase Disruptors
  Arc Emitters
Cost: 20000, Weight: 40
  Arc Emitter
  Focused Arc Emitters
Cost: 24000, Weight: 35
  Focused Arc Emitter
  Plasma Throwers
Cost: 5000, Weight: 75
  Plasma Throwers
  Plasma Accelerators
Cost: 8000, Weight: 65
  Plasma Accelerators
  Plasma Cannons
Cost: 16000, Weight: 45
  Plasma Cannons
  UV Lasers
Cost: 4000, Weight: 85
  UV Lasers
  X-Ray Lasers
Cost: 8000, Weight: 65
  X-Ray Lasers
  Gamma Lasers
Cost: 16000, Weight: 45
  Gamma Lasers
  Particle Lances
Cost: 20000, Weight: 40
  Particle Lance
  Tachyon Lances
Cost: 24000, Weight: 35
  Tachyon Lance
  Proton Launchers
Cost: 12000, Weight: 50
  Proton Launcher
  Neutron Launchers
Cost: 20000, Weight: 40
  Neutron Launcher
  Focusing Arrays
Cost: 50000, Weight: 12.5
  +5% Energy Weapons Fire Rate
  Reactor Boosters
  Reactor Booster
  Improved Reactor Boosters
Cost: 3000, Weight: 135
  Improved Reactor Booster
  Advanced Reactor Boosters
Cost: 12000, Weight: 75
  Advanced Reactor Booster
  Hyperspace Travel
  Hyper Drive I
  Hyperlane Breach Points
Cost: 5000, Weight: 75
  Hyper Drive II
  Hyperlane Registrar
  Wormhole Stabilization
Cost: 8000, Weight: 32.5
  Wormholes can be stabilized
  Hyperspace Slipstreams
Cost: 12000, Weight: 50
  Hyper Drive III
  Gateway Activation
Cost: 24000, Weight: 17.5
  Gateways can be reactivated
  Gateway Construction
Cost: 48000, Weight: 24000
  Gateways can be constructed
  FTL Inhibition
Cost: 4000, Weight: 340
  Starbases have FTL Inhibitors
  Strongholds have FTL Inhibitors
  Fission Power
  Fission Reactor
  Fusion Power
Cost: 2500, Weight: 190
  Fusion Reactor
  Cold Fusion Power
Cost: 5000, Weight: 150
  Cold Fusion Reactor
  Antimatter Power
Cost: 10000, Weight: 120
  Antimatter Reactor
  Zero Point Power
Cost: 20000, Weight: 80
  Zero Point Reactor
  Dark Matter Power
Cost: 50000, Weight: 1
  Dark Matter Reactor
  Jump Drive
Cost: 32000, Weight: 3
  Jump Drive
  Null Void Beam
Cost: 2500, Weight: 3
  Null Void Beam
  Mote Stabilization
Cost: 4000, Weight: 170
  Mote harvesting Traps
  Volatile Material Plants
Cost: 4000, Weight: 170
  Cheminal Plants

Computing

The   Computing tech tree focuses on   Research,   Colony Development Speed and ship components.

  • The weight for sensor techs can be increased by 25% by adopting the Discovery tradition tree
  • Curator technologies will only appear when the empire has the Curator Insight modifier or a leader with the   Curator trait
Scientific Method
  Research Labs
Exotic material Labs
Cost: 3000, Weight: 90
  Research Complexes
Multi-Dimensional Studies
Cost: 8000, Weight: 130
  Advanced Research Complexes
Administrative AI
Cost: 2000, Weight: 100
  +5% Research Speed
AI-controlled Colony Ships
Cost: 3000, Weight: 90
  +50% Colony Development Speed
Self-Aware Colony Ships
Cost: 6000, Weight: 70
  +50% Colony Development Speed
Self-Evolving Logic
Cost: 5000, Weight: 75
  +1 Research Alternatives
Positronic AI
Cost: 16000, Weight: 45
  +5% Research Speed
Synchronized Defences
Cost: 20000, Weight: 20
  Defense Grid Supercomputer
Specialized Combat Computers
Cost: 3000, Weight: 90
  Combat Computers
Extended Combat Algorithms
Cost: 8000, Weight: 65
  Advanced Combat Computers
Sapient Combat Simulations
   Cost: 20000, Weight: 20
  Sapient Combat Computers
Autonomous Ship Intellects
  Cost: 20000, Weight: 20
  Autonomous Combat Computers
Auxiliary Fire Control
Cost: 3000, Weight: 90
  Auxiliary Fire Control
Active Countermeasures
  Sentinel Point-Defense
Interlinked Support Systems
Cost: 6000, Weight: 70
  Barrier Point-Defense
Predictive Algorithms
Cost: 16000, Weight: 45
  Guardian Point-Defense
Zero-G Laboratories
Cost: 2000, Weight: 100
  +10% Research Station Output
Miniature Containment Fields
Cost: 3000, Weight: 90
  +10% Research Station Output
Quantum Probes
Cost: 4000, Weight: 85
  +10% Research Station Output
Autonomous Station protocols
Cost: 6000, Weight: 70
  +10% Research Station Output
Multi-Dimensional Analysis
Cost: 8000, Weight: 65
  +10% Research Station Output
Quantum Theory
Cost: 2000, Weight: 100
  +20% Physics Research from Jobs
Applied Quantum Physics
Cost: 6000, Weight: 70
  +20% Physics Research from Jobs
Space-Time Theory
Cost: 20000, Weight: 40
  +20% Physics Research from Jobs
Gravitational Analysis
Cost: 50000, Weight: 12.5
  -5% Building Cost
Interplanetary Research Initiative
Cost: 8000, Weight: 97.5
  Research Institute
Gravitic Sensors
Cost: 4000, Weight: 85
  Gravitic Sensors
  Listening Post
Subspace Sensors
Cost: 8000, Weight: 65
  Subspace Sensors
  Black Hole Observatory
Tachyon Sensors
Cost: 16000, Weight: 45
  Tachyon Sensors
Dark Matter Drawing
Cost: 12000, Weight: 50
  Can mine Dark Matter
Speculative Hyperlane Breaching
Cost: 6000, Weight: 37.5
  Experimental Subspace Navigation
Automated Exploration Protocols
Cost: 2500, Weight: 95
  Automated Exploration Fleet Order
Curator Archaeology Lab
Cost: 4000, Weight: 85
  +10% Anomaly Discovery Chance
  +25% Anomaly Research Speed
Curator Exploration Lab
Cost: 4000, Weight: 85
  +33% Survey Speed

Event technologies

The following technologies can only be unlocked following certain events but will always remain available to research.

Technology Cost Effects Source Description
  Mining Drone Lasers 5000   Mining Drone Laser component Mining Drones Using strong-focus lenses in combination with an oscillating firing frequence help create lasers strong enough to mine asteroids, or shoot down hostiles.
  Cloud Lightning Conduits 6000   Cloud Lightning component Void Clouds Void Clouds use the electrical charges generated by the dense gases that make up most of their core to release bolts of burning plasma. Using the same gas composition together with a specialized conduit allows for powerful lightning weaponry.
  Extradimensional Weaponry 48000   Matter Disintegrator component Extradimensional Invaders Applying 5th-dimensional energy manipulation principles on lower dimensional planes allows for the creation of powerful energy weapons.
  Entropic Recursion 4000   Omega Theory research option Horizon Signal The universe tends irresistibly onwards and downwards. That tendency cannot be reversed...but it can be subverted, for a price.
  Omega Theory 10000   Omega Alignment building Horizon Signal When a temporal paradox becomes tangled, a kind of consciousness arises, with its own needs, its own desires. This is what has occurred with the consciousness that some call the Worm-in-Waiting. If we can align ourselves with that consciousness, we might just achieve a kind of immortality.
  Enigmatic Decoder 50000   Enigmatic Decoder component Enigmatic Fortress While producing average results in standard tests, the accuracy of Enigmatic Decoder's prediction algorithms seemingly increases as the target's flight path grows more erratic.
  Enigmatic Encoder 50000   Enigmatic Encoder component Enigmatic Fortress The Enigmatic Encoder scrambles flight path data according to some indeterminable design before feeding it back to fleet command.

References