Quote:
Originally Posted by FrustratedFinFan
Here is my take on it...
The vibrations come in waves, radiating out from the source. The metal (or other chosen surface for the board) acts as the medium through which the waves travel. In the case of metal, the material is a good medium for the wave propagation to take place. Add a flexible magnet swatch under an active spot, or duct tape, and that material serves to dampen or break up the wave pattern in that area....It might be a combination of the tape and/or magnet not being a good material for wave propagation....as well as the added weight inhibiting the motion/vibration of the metal....not positive there.
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This is exactly how it works!!!!
The tape acts as damper to the vibration. It acts in much the same way as if you put your finger on the board while it is running. Where you touch the board, the material is dampened.
I've seen many references to our gameboards acting like pools of water, with waves bouncing all around. While all vibration shares some aspects, our gameboards are fixed plates that act more like guitar strings or sound boards when vibration is introduced. Ernst Chladni was a pioneer in this field... very OLD school. Worth looking up...
http://en.wikipedia.org/wiki/Ernst_Chladni