diff --git a/2021-07-21.md b/2021-07-21.md
index e0486da56..e04bf28e8 100644
--- a/2021-07-21.md
+++ b/2021-07-21.md
@@ -1,4 +1,5 @@
 - [[richard feynman]]
 - [[michelson interferometer]]
 - [[aether]]
-- [[effective altruism]]
\ No newline at end of file
+- [[effective altruism]]
+- [[project cybersin]]
\ No newline at end of file
diff --git a/project cybersin.md b/project cybersin.md
new file mode 100644
index 000000000..1d583d7d4
--- /dev/null
+++ b/project cybersin.md	
@@ -0,0 +1 @@
+- [[pull]] [[cybersyn]]
\ No newline at end of file