diff --git a/app/assets/images/experiment/experiment-default.gif b/app/assets/images/experiment/experiment-default.gif
new file mode 100644
index 0000000..264e471
Binary files /dev/null and b/app/assets/images/experiment/experiment-default.gif differ
diff --git a/app/controllers/experiments_controller.rb b/app/controllers/experiments_controller.rb
index 0f897a9..d000afe 100644
--- a/app/controllers/experiments_controller.rb
+++ b/app/controllers/experiments_controller.rb
@@ -28,7 +28,7 @@ class ExperimentsController < ApplicationController
 	    {
 	      "link_to_show" => OrbitHelper.url_to_show(subject.to_param),
 	      "subject" => subject.title,
-	      "img_src" => subject.image.thumb.url || "/assets/experiment-default.jpg",
+	      "img_src" => subject.image.thumb.url || "/assets/experiment/experiment-default.gif",
 	      "category" => subject.category.title,
 	      "direction" => subject.direction,
 	      "statuses" => statuses,
@@ -92,7 +92,7 @@ class ExperimentsController < ApplicationController
     {
      	"data" => {
     		"subject" => subject.title,
-    		"img_src" => subject.image.thumb.url || "/assets/experiment-default.jpg",
+    		"img_src" => subject.image.thumb.url || "/assets/experiment/experiment-default.gif",
         "display" => subject.image.thumb.url.nil? ? "display:none;" : "",
     		"category" => subject.category.title,
     		"facility" => subject.facility,
@@ -155,7 +155,7 @@ class ExperimentsController < ApplicationController
     {
       "link_to_show" => OrbitHelper.widget_item_url(subject.to_param),
       "subject" => subject.title,
-      "img_src" => subject.image.thumb.url || "/assets/experiment-default.jpg",
+      "img_src" => subject.image.thumb.url || "/assets/experiment/experiment-default.gif",
       "category" => subject.category.title,
       "direction" => subject.direction,
       "statuses" => statuses,