diff --git a/machine_learning/curt.mac.mullen.renormalisation.video.url b/machine_learning/curt.mac.mullen.renormalisation.video.url
new file mode 100644
index 0000000..0a5cf0f
--- /dev/null
+++ b/machine_learning/curt.mac.mullen.renormalisation.video.url
@@ -0,0 +1 @@
+https://www.youtube.com/watch?v=_qjPFF5Gv1I
\ No newline at end of file