diff --git a/.obsidian/workspace.json b/.obsidian/workspace.json
index 16be1a9..9871aae 100644
--- a/.obsidian/workspace.json
+++ b/.obsidian/workspace.json
@@ -34,9 +34,23 @@
               "icon": "lucide-file",
               "title": "4c - Dining Philosophers"
             }
+          },
+          {
+            "id": "afb0209526b1a11e",
+            "type": "leaf",
+            "state": {
+              "type": "markdown",
+              "state": {
+                "file": "Concurrent Systems/notes/Untitled.md",
+                "mode": "source",
+                "source": false
+              },
+              "icon": "lucide-file",
+              "title": "Untitled"
+            }
           }
         ],
-        "currentTab": 1
+        "currentTab": 2
       }
     ],
     "direction": "vertical"
@@ -204,8 +218,10 @@
       "companion:Toggle completion": false
     }
   },
-  "active": "e453bba00fdc57d6",
+  "active": "afb0209526b1a11e",
   "lastOpenFiles": [
+    "Concurrent Systems/notes/4c - Dining Philosophers.md",
+    "Concurrent Systems/notes/Untitled.md",
     "Concurrent Systems/notes/4 - Semaphores.md",
     "Concurrent Systems/notes/9 - Consensus.md",
     "Concurrent Systems/notes/10 - Implementing Consensus.md",
@@ -218,7 +234,6 @@
     "Concurrent Systems/notes/1 - CS Basics.md",
     "Concurrent Systems/notes/1b - Peterson algorithm.md",
     "Concurrent Systems/notes/6a - Alternatives to Atomicity.md",
-    "Concurrent Systems/notes/4c - Dining Philosophers.md",
     "Concurrent Systems/notes/2b - Round Robin algorithm.md",
     "Concurrent.md",
     "Concurrent Systems/slides/class 5.pdf",
@@ -233,7 +248,6 @@
     "HCIW/slides/1 Interface and Interaction for IoT.pdf",
     "HCIW/notes/1 - UX for IoT.md",
     "HCIW/notes/3 - Beacons.md",
-    "HCIW/notes/2 - Interface and Interaction for IoT.md",
     "Concurrent Systems/slides/class 4.pdf",
     "Concurrent Systems/slides/class 9.pdf",
     "Concurrent Systems/slides/class 10.pdf",
diff --git a/Concurrent Systems/notes/Untitled.md b/Concurrent Systems/notes/Untitled.md
new file mode 100644
index 0000000..70b8af5
--- /dev/null
+++ b/Concurrent Systems/notes/Untitled.md	
@@ -0,0 +1 @@
+![20250317100456](/Concurrent Systems/notes/images/Pasted%20image%2020250317100456.png)
\ No newline at end of file