diff --git a/GDET3 RLC-System.ipynb b/GDET3 RLC-System.ipynb
index 8f999ca4ed345b2507c9c4a3a626a08b2ad6813a..9ef543fbcabf6c21892db285f637ecdcd1fb8bb5 100644
--- a/GDET3 RLC-System.ipynb	
+++ b/GDET3 RLC-System.ipynb	
@@ -6,7 +6,8 @@
    "metadata": {
     "jupyter": {
      "source_hidden": true
-    }
+    },
+    "tags": []
    },
    "outputs": [],
    "source": [
@@ -56,7 +57,7 @@
    "outputs": [],
    "source": [
     "# Exemplary values\n",
-    "R = 16 # Ohm\n",
+    "R = 16 # Ohm, Ω\n",
     "L = 1.5E-3  # Henry, mH\n",
     "C = 1E-6 # Farad, myF"
    ]
@@ -245,7 +246,8 @@
    "metadata": {
     "jupyter": {
      "source_hidden": true
-    }
+    },
+    "tags": []
    },
    "outputs": [],
    "source": [
@@ -276,6 +278,30 @@
     "    display(HTML('{}<br />{}'.format('a={0:.3f}'.format(a), 'b={0:.3f}'.format(b))))"
    ]
   },
+  {
+   "cell_type": "markdown",
+   "metadata": {},
+   "source": [
+    "### Experiment\n",
+    "\n",
+    "Mit $R=0 \\,\\Omega$, $L=47\\,\\mathrm{mH}$ und $C=0,68\\,\\mu\\mathrm{F}$ liegt die entsprechende Grenzfrequenz bei $f_0 \\approx 900\\,Hz$. Rauchentwicklung ab Sekunde 20 ;)"
+   ]
+  },
+  {
+   "cell_type": "code",
+   "execution_count": null,
+   "metadata": {
+    "jupyter": {
+     "source_hidden": true
+    },
+    "tags": []
+   },
+   "outputs": [],
+   "source": [
+    "from IPython.display import Video\n",
+    "Video(\"figures/RLC_Experiment.mp4\", width=480, height=270 )"
+   ]
+  },
   {
    "cell_type": "markdown",
    "metadata": {},
@@ -284,13 +310,13 @@
     "This notebook is provided as [Open Educational Resource](https://en.wikipedia.org/wiki/Open_educational_resources) (OER). Feel free to use the notebook for your own purposes. The code is licensed under the [MIT license](https://opensource.org/licenses/MIT). \n",
     "\n",
     "Please attribute the work as follows: \n",
-    "*Christian Rohlfing, Übungsbeispiele zur Vorlesung \"Grundgebiete der Elektrotechnik 3 - Signale und Systeme\"*, gehalten von Jens-Rainer Ohm, 2020, Institut für Nachrichtentechnik, RWTH Aachen University."
+    "*Christian Rohlfing, Übungsbeispiele zur Vorlesung \"Grundgebiete der Elektrotechnik 3 - Signale und Systeme\"*, gehalten von Jens-Rainer Ohm, 2021, Institut für Nachrichtentechnik, RWTH Aachen University."
    ]
   }
  ],
  "metadata": {
   "kernelspec": {
-   "display_name": "Python 3",
+   "display_name": "Python 3 (ipykernel)",
    "language": "python",
    "name": "python3"
   },
@@ -304,7 +330,7 @@
    "name": "python",
    "nbconvert_exporter": "python",
    "pygments_lexer": "ipython3",
-   "version": "3.8.1"
+   "version": "3.9.7"
   }
  },
  "nbformat": 4,
diff --git a/figures/RLC_Experiment.mp4 b/figures/RLC_Experiment.mp4
new file mode 100755
index 0000000000000000000000000000000000000000..a541af0aa4954849d204cf568798f7b3a961fd84
Binary files /dev/null and b/figures/RLC_Experiment.mp4 differ