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--- demonstrations:3_oscillations_and_waves:mechanical_waves:standing_wave_machine:start [2019/05/14 19:39] – demoroom
+++ demonstrations:3_oscillations_and_waves:mechanical_waves:standing_wave_machine:start [2020/01/07 20:16] (current) – [Standing Wave Machine] demoroom
@@ Line 1: / Line 1: @@
 ====== Standing Wave Machine ======
-{{tag> standing_wave oscillations_and_waves illusion unlocated}}
+{{tag> standing_waves oscillations_and_waves illusion unlocated}}
 <WRAP box right>
@@ Line 48: / Line 48: @@
 {{ :demonstrations:3_oscillations_and_waves:mechanical_waves:standing_wave_machine:img_20190514_123239.jpg?400|}}
-// //
+// What the device looks like in full light, against a dark background.//
 </WRAP>