Differences

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--- demonstrations:8_astronomy:gravitational_waves:start [2023/08/11 20:17] – [Apparatus] demoroom
+++ demonstrations:8_astronomy:gravitational_waves:start [2023/08/11 20:25] (current) – [Notes] demoroom
@@ Line 31: / Line 31: @@
   * PVC pipes for support legs of the wooden ring.
   * Stroboscope
+<WRAP group>
+<WRAP half column>
-<WRAP box right 400px>
+<WRAP box right>
 {{:demonstrations:8_astronomy:gravitational_waves:gravwavemachinepiece.jpg?400|}}
-// Gravitational waves produced by two orbiting bodies. //
+// Machined piece to insert into cordless drill for simulating orbiting bodies. //
+</WRAP>
+<WRAP box right>
+{{:demonstrations:8_astronomy:gravitational_waves:stroboscope.jpg?400|}}
+// Stroboscope //
+</WRAP>
+</WRAP>
+<WRAP half column>
+<WRAP box right>
+{{:demonstrations:8_astronomy:gravitational_waves:gravwavesetup.png?400|}}
+// Complete setup. //
+</WRAP>
+</WRAP>
 </WRAP>
 ===== Setup =====
@@ Line 50: / Line 71: @@
 <WRAP center danger 60%>
-Safety notes can also be added here or in the description. Use this one if theres a potentially fatal hazard like high voltage,
+Some people are prone to epileptic seizures when exposed to a stroboscope.  Please ask if anyone in the audience is known to be sensitive in this manner.
 </WRAP>
 <WRAP center round important 60%>
-and this one can be used for less frightening things.
+This setup has many pieces and the setup is involved and potentially needs more than one person. Please give plenty of advance notice of when the demo is needed and what room it will be needed in.
 </WRAP>