Light Cone Causality
Requires a Wolfram Notebook System
Interact on desktop, mobile and cloud with the free Wolfram Player or other Wolfram Language products.
The speed of light limits Alice and Bob's ability to communicate with electromagnetic phenomena. Change the distance between them or move an event in spacetime and compare the resulting light cones to the cyan, magenta and yellow cones of the regions that could be reached by rockets slower than light.
Contributed by: Michael Schreiber (March 2011)
Open content licensed under CC BY-NC-SA
"Light Cone Causality"
Wolfram Demonstrations Project
Published: March 7 2011