Differences

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--- demonstrations:3_oscillations_and_waves:sound_waves:super_ear:start [2019/02/14 23:33] – external edit 127.0.0.1
+++ demonstrations:3_oscillations_and_waves:sound_waves:super_ear:start [2020/02/13 22:56] (current) – demoroom
@@ Line 1: / Line 1: @@
 ====== Super Ear ======
-{{tag> needs_review untagged unlocated}}
+{{tag> oscillations_and_waves acoustics amplifier located}}
 <WRAP box right>
@@ Line 11: / Line 11: @@
 ===== Description =====
-Hear a whisper from across the room
+Consists of a microphone in a dish with an amplifier and a headphone jack. A small speaker is attached to a stethoscope for listening.
-Pick up sounds from across the room with this super ear!
-Just put on the headset,point, and press the trigger to listen
-Sound is greatly amplified and a whisper can be heard from across the room  Updated on: 06/20/13
 ===== Purpose =====
+Demonstrate electronic amplification of sound.
 ===== Apparatus =====
+  * 'Super ear' and headphones
+  * 9V battery
 ===== Setup =====
+Pick up sounds from across the room with this super ear! Just put on the headset,point, and press the trigger to listen. Sound is amplified and a whisper can be heard from across the room
 ===== Notes =====
@@ Line 49: / Line 44: @@
 </WRAP>
 <WRAP tablewidth 100%>
-| **Location** | ---- |
+| **Location** | S4 |
 | **Maker** | Unknown |
 | **Current State** | Working |