Neil deGrasse Tyson Explains Worldlines

4D Spacetime and Relativity explained simply and visually

Spacetime Diagrams: An Easy Way to Visualize Special Relativity (Physics by Parth G)

The Maths of General Relativity (1/8) - Spacetime and Worldlines

The Special Relativistic Action, Explained

Spacetime Diagrams | Special Relativity Ch. 2

Causality & Light Cones | Special Relativity

Knots, World-Lines, and Quantum Computation | Steve Simon | TEDxOxford

Introduction to special relativity and Minkowski spacetime diagrams | Khan Academy

Observer's world-line is his time axis in a spacetime diagram| Special Relativity|@PhysicsNextBook

The fundamentals of space-time: Part 1 - Andrew Pontzen and Tom Whyntie

Orbit worldline is a helix - can this be a geodesic of space+tine?! scale issues

Advanced Higher Physics | Astrophysics | World Lines | THEORY

Neil deGrasse Tyson Explains Dimensions

Theoretical Physicist Brian Greene Explains Time in 5 Levels of Difficulty | WIRED

Minkowski Diagrams | Special Relativity

How Curved Spacetime Works | Gravity & Relativity Explainer

What is a LIGHT CONE?

Classical black hole scattering from a worldline QFT, Gustav Mogull

Spacetime Diagram & coordinate, Event, World lines of photon & observer, forward/backward Light cone