deletions | additions       diff --git a/layout.md b/layout.md  index 8e60637..bdd563c 100644  --- a/layout.md  +++ b/layout.md 
...
untitled.tex  figures/Surfing_LIGO/Surfing_LIGO.png  Gravitational_waves_are_produced_when__.tex  figures/LIGO/LIGO.png