Resonance Demonstration at Educational Innovations


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Resonance Demonstration
ME-311

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The principle of resonance is all around us -- it enables electronic communication but it also causes mechanical structures to fail (remember the Tacoma Narrows Bridge collapse). The ME-311 Resonance Demonstrator provides a clear, easy-to-see demonstration of resonance. The device consists of a horizontal rod to which are affixed three pairs of spring-steel wires. A mass is affixed to the end of each wire. When any wire is "plucked," its equal-length counterpart of the opposite side of the device oscillates with large excursions while the other four wires and weights remain relatively motionless.

Singing Pipe

Heat one end of the Singing Pipe to produce a loud tone, then "pour" the sound into a beaker. Amazing!

Singing Rod

When your fingers are slid repeatedly along this 60-cm-long metal rod, an ear-piercing sound is generated. You have to hear it to believe it!

Sound Tubes

When spun in a circular motion, these tubes produce a tone. As the Sound Tubes are spun faster, the tone steps up in frequency.

Wave Modeling Spring

Perfect for modeling standing and moving transverse waves as well as moving sound waves.