Knowledge Galaxy
Every point is a published concept and every line a reviewed connection between two of them. Narrow it down by world, kind of connection or difficulty, or centre it on one concept and widen the view step by step. The list view holds the same information as the map.
Filters all worlds · all connections · difficulty 1–5
Showing 60 of 60 concepts and 180 connections.
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Key
- Prerequisite of
- Related to
- Part of
- Special case of
- Explains
- Applied in
- Measured by
- Observed in
- Contrasts with
- Historically led to
- Space
- Physics
- Biology
- Chemistry
- Technology
- Artificial Intelligence
- Larger circles are harder concepts. Arrows point from a concept to the one it leads to.
Space (10)
Black holes
- Measured by: Telescopes
- Part of: Galaxies
- Related to: Gravity
- Requires: Space-time
- Requires: Stellar evolution
Cosmic expansion
- Measured by: Telescopes
- Related to: Light
- Requires: Galaxies
- Requires: Space-time
Exoplanets
- Measured by: Telescopes
- Measured by: Waves
- Requires: Solar System
- Requires: Stars
Galaxies
- Contrasts with: Solar System
- Has part: Black holes
- Historically followed from: Telescopes
- Prerequisite of: Cosmic expansion
- Requires: Stars
Solar System
- Application of: Robotics
- Contrasts with: Galaxies
- Prerequisite of: Exoplanets
- Prerequisite of: Spaceflight
- Related to: Stellar evolution
- Requires: Gravity
- Requires: Stars
Space-time
- Applied in: Spaceflight
- Explains: Gravity
- Prerequisite of: Black holes
- Prerequisite of: Cosmic expansion
- Requires: Gravity
- Requires: Light
Spaceflight
- Application of: Space-time
- Related to: Telescopes
- Requires: Forces
- Requires: Gravity
- Requires: Momentum
- Requires: Solar System
Stars
- Prerequisite of: Exoplanets
- Prerequisite of: Galaxies
- Prerequisite of: Solar System
- Prerequisite of: Stellar evolution
- Related to: Energy
- Related to: Light
- Related to: Photosynthesis
- Where this is observed: States of Matter
Stellar evolution
- Prerequisite of: Black holes
- Related to: Elements
- Related to: Energy
- Related to: Solar System
- Requires: Stars
Telescopes
- Application of: Sensors
- Historically led to: Galaxies
- Measures: Black holes
- Measures: Cosmic expansion
- Measures: Exoplanets
- Related to: Sensors
- Related to: Spaceflight
- Requires: Light
Physics (10)
Electricity
- Applied in: Sensors
- Explained by: Chemical Bonds
- Prerequisite of: Batteries
- Prerequisite of: Magnetism
- Prerequisite of: Semiconductors
- Related to: Atoms
- Related to: Neurons
- Related to: Thermodynamics
- Requires: Energy
- Requires: Forces
Energy
- Contrasts with: Momentum
- Prerequisite of: Batteries
- Prerequisite of: Electricity
- Prerequisite of: Photosynthesis
- Prerequisite of: Reaction Energy
- Prerequisite of: Respiration
- Prerequisite of: Thermodynamics
- Prerequisite of: Waves
- Related to: Cell
- Related to: Gradient descent
- Related to: Gravity
- Related to: Light
- Related to: Neural networks
- Related to: Reaction Energy
- Related to: Semiconductors
- Related to: Stars
- Related to: States of Matter
- Related to: Stellar evolution
- Requires: Forces
- Requires: Motion
Forces
- Has special case: Gravity
- Prerequisite of: Electricity
- Prerequisite of: Energy
- Prerequisite of: Gravity
- Prerequisite of: Magnetism
- Prerequisite of: Momentum
- Prerequisite of: Spaceflight
- Related to: Gradient descent
- Requires: Motion
Gravity
- Contrasts with: Magnetism
- Explained by: Space-time
- Prerequisite of: Solar System
- Prerequisite of: Space-time
- Prerequisite of: Spaceflight
- Related to: Black holes
- Related to: Energy
- Requires: Forces
- Special case of: Forces
Light
- Applied in: Internet
- Applied in: Networks
- Applied in: Sensors
- Historically followed from: Magnetism
- Prerequisite of: Space-time
- Prerequisite of: Telescopes
- Related to: Atoms
- Related to: Computer vision
- Related to: Cosmic expansion
- Related to: Energy
- Related to: Photosynthesis
- Related to: Stars
- Related to: Thermodynamics
- Requires: Waves
- Special case of: Waves
Magnetism
- Contrasts with: Gravity
- Historically led to: Light
- Requires: Electricity
- Requires: Forces
Momentum
- Contrasts with: Energy
- Prerequisite of: Spaceflight
- Related to: Gradient descent
- Related to: Waves
- Requires: Forces
- Requires: Motion
Motion
Thermodynamics
- Related to: Electricity
- Related to: Light
- Related to: Reaction Energy
- Related to: States of Matter
- Requires: Energy
Waves
Biology (10)
Cell
- Has part: DNA
- Has special case: Neurons
- Prerequisite of: DNA
- Prerequisite of: Immune system
- Prerequisite of: Neurons
- Prerequisite of: Photosynthesis
- Prerequisite of: Respiration
- Related to: Energy
- Related to: Genes
DNA
Evolution
- Explained by: Natural selection
- Related to: Inheritance
- Requires: DNA
Genes
- Part of: DNA
- Prerequisite of: Inheritance
- Related to: Cell
- Related to: Immune system
- Related to: Natural selection
- Requires: DNA
Immune system
Inheritance
- Prerequisite of: Natural selection
- Related to: Evolution
- Requires: Genes
Natural selection
- Explains: Evolution
- Related to: Genes
- Requires: Inheritance
Neurons
- Related to: Electricity
- Related to: Neural networks
- Requires: Cell
- Special case of: Cell
Photosynthesis
- Application of: Chemical Reactions
- Contrasts with: Respiration
- Related to: Chemical Reactions
- Related to: Light
- Related to: Reaction Energy
- Related to: Stars
- Requires: Cell
- Requires: Energy
Respiration
- Application of: Chemical Reactions
- Application of: Reaction Energy
- Contrasts with: Photosynthesis
- Related to: Acids and Bases
- Related to: Chemical Reactions
- Related to: Reaction Energy
- Requires: Cell
- Requires: Energy
Chemistry (10)
Acids and Bases
- Measured by: pH
- Prerequisite of: pH
- Related to: Respiration
- Requires: Chemical Reactions
Atoms
- Applied in: Quantum Computing
- Explains: Periodic Table
- Part of: Molecules
- Prerequisite of: Chemical Bonds
- Prerequisite of: Elements
- Prerequisite of: Semiconductors
- Prerequisite of: States of Matter
- Related to: Batteries
- Related to: Electricity
- Related to: Light
Chemical Bonds
- Explains: Electricity
- Explains: Reaction Energy
- Prerequisite of: Molecules
- Related to: DNA
- Requires: Atoms
- Requires: Periodic Table
Chemical Reactions
- Applied in: Batteries
- Applied in: Photosynthesis
- Applied in: Respiration
- Contrasts with: States of Matter
- Prerequisite of: Acids and Bases
- Prerequisite of: Batteries
- Prerequisite of: Reaction Energy
- Related to: Photosynthesis
- Related to: Respiration
- Requires: Molecules
Elements
- Prerequisite of: Periodic Table
- Related to: Stellar evolution
- Requires: Atoms
Molecules
- Has part: Atoms
- Has special case: DNA
- Prerequisite of: Chemical Reactions
- Requires: Chemical Bonds
Periodic Table
- Explained by: Atoms
- Prerequisite of: Chemical Bonds
- Requires: Elements
pH
- Measures: Acids and Bases
- Requires: Acids and Bases
Reaction Energy
- Applied in: Respiration
- Explained by: Chemical Bonds
- Related to: Energy
- Related to: Photosynthesis
- Related to: Respiration
- Related to: Thermodynamics
- Requires: Chemical Reactions
- Requires: Energy
States of Matter
- Contrasts with: Chemical Reactions
- Observed in: Stars
- Related to: Energy
- Related to: Thermodynamics
- Requires: Atoms
Technology (10)
Batteries
- Application of: Chemical Reactions
- Applied in: Computers
- Related to: Atoms
- Requires: Chemical Reactions
- Requires: Electricity
- Requires: Energy
Computers
CPU
- Application of: Semiconductors
- Part of: Computers
- Prerequisite of: Quantum Computing
- Related to: Machine learning
- Related to: Memory
- Related to: Transformers
- Requires: Computers
Internet
Memory
- Application of: Semiconductors
- Part of: Computers
- Related to: CPU
- Requires: Computers
Networks
Quantum Computing
- Application of: Atoms
- Contrasts with: Computers
- Requires: CPU
- Requires: Semiconductors
Robotics
Semiconductors
- Applied in: CPU
- Applied in: Memory
- Applied in: Sensors
- Prerequisite of: Quantum Computing
- Related to: Energy
- Requires: Atoms
- Requires: Electricity
Sensors
- Application of: Electricity
- Application of: Light
- Application of: Semiconductors
- Applied in: Computer vision
- Applied in: Telescopes
- Part of: Robotics
- Prerequisite of: Robotics
- Related to: Telescopes
Artificial Intelligence (10)
AI agents
- Related to: Reinforcement learning
- Related to: Robotics
- Requires: AI basics
- Requires: Language models
AI basics
- Prerequisite of: AI agents
- Prerequisite of: Machine learning
- Requires: Computers
Computer vision
- Application of: Sensors
- Application of: Transformers
- Related to: Light
- Requires: Neural networks
- Requires: Training data
Gradient descent
- Applied in: Neural networks
- Related to: Energy
- Related to: Forces
- Related to: Momentum
- Requires: Machine learning
Language models
- Application of: Reinforcement learning
- Application of: Transformers
- Prerequisite of: AI agents
- Requires: Neural networks
- Requires: Training data
Machine learning
- Has special case: Reinforcement learning
- Prerequisite of: Gradient descent
- Prerequisite of: Neural networks
- Prerequisite of: Reinforcement learning
- Prerequisite of: Training data
- Related to: CPU
- Requires: AI basics
Neural networks
- Application of: Gradient descent
- Prerequisite of: Computer vision
- Prerequisite of: Language models
- Prerequisite of: Transformers
- Related to: Energy
- Related to: Neurons
- Requires: Machine learning
Reinforcement learning
- Applied in: Language models
- Related to: AI agents
- Requires: Machine learning
- Special case of: Machine learning
Training data
- Prerequisite of: Computer vision
- Prerequisite of: Language models
- Requires: Machine learning
Transformers
- Applied in: Computer vision
- Applied in: Language models
- Related to: CPU
- Requires: Neural networks