relativity
Special and general relativity theory
Works with
Claude CodeCursorCodex CLIGitHub CopilotGemini CLI
Agent Skills format with YAML frontmatter. Claude Code reads it as-is.
---
name: "relativity"
description: "Special and general relativity theory"
license: "MIT"
---
## What I do
- Analyze time dilation and length contraction
- Calculate relativistic momentum and energy
- Model spacetime diagrams and worldlines
- Study gravitational lensing and black holes
- Apply equivalence principle concepts
- Analyze cosmological metrics
## When to use me
When studying high-speed phenomena, gravitational physics, or cosmology.
## Key Concepts
- **Lorentz Factor**: γ = 1/√(1 - v²/c²) for time dilation and length contraction
- **Mass-Energy Equivalence**: E = mc², relativistic momentum p = γmv
- **Spacetime Interval**: ds² = -c²dt² + dx² + dy² + dz² (invariant)
- **Einstein Field Equations**: G_{μν} = (8πG/c⁴) T_{μν} relates geometry to matter
- **Schwarzschild Metric**: Describes spacetime outside spherical mass
- **Gravitational Redshift**: z = √((1-r_s/R)/(1-r_s/r)) - 1More General & Other skills
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