diff --git a/force-directed-graphs.md b/force-directed-graphs.md
new file mode 100644
index 000000000..084ea725f
--- /dev/null
+++ b/force-directed-graphs.md
@@ -0,0 +1,12 @@
+# Force Directed Graphs
+
+- [[pull]] [[force directed graph]]
+- [[go]] https://bl.ocks.org/vasturiano/02affe306ce445e423f992faeea13521
+- [[go]] https://editor.p5js.org/generative-design/sketches/M_6_1_03 
+
+
+
+[//begin]: # "Autogenerated link references for markdown compatibility"
+[pull]: pull "Pull"
+[go]: go "Go"
+[//end]: # "Autogenerated link references"
\ No newline at end of file
diff --git a/iap21.md b/iap21.md
index d3c2cb3e8..956785ea5 100644
--- a/iap21.md
+++ b/iap21.md
@@ -105,7 +105,14 @@
   - summary is: 'flattening' at a certain constant level (e.g. 100 cases/day) does *not* work as well as locking down hard and getting to zero (albeit temporarily)
   - [[agnes cameron]] [[imperial college tracker]]
   - [[pandemic game]]
-
+- [[samir ghosh]] on [[force directed graphs]]
+  - https://bl.ocks.org/vasturiano/02affe306ce445e423f992faeea13521
+  - https://editor.p5js.org/generative-design/sketches/M_6_1_03o 
+  - http://yifanhu.net/GALLERY/GRAPHS/index.html
+  - http://act.mit.edu/cavs/
+  - https://www.ideaflow.io/
+  - https://graphcommons.com/
+  - see [[tuesday]] agenda for more examples
 
 
 [//begin]: # "Autogenerated link references for markdown compatibility"
@@ -144,4 +151,6 @@
 [covid tracker]: covid-tracker "Covid Tracker"
 [imperial college tracker]: imperial-college-tracker "Imperial College Tracker"
 [pandemic game]: pandemic-game "Pandemic Game"
+[force directed graphs]: force-directed-graphs "Force Directed Graphs"
+[tuesday]: tuesday "Tuesday"
 [//end]: # "Autogenerated link references"
\ No newline at end of file