Many of these projects explore sound and resonance which is a key part of any musical instrument.
Of particular interest are the 'energy chimes' which can be seen below:
As you can see in the video the 'energy chimes' are simple metal tubes which appear to be suspended by string which allows the tube to resonate for a long period of time as it has very little contact to reduce the resonation.
Chinese Spouting Bowl:
Chinese Spouting Bowl:
The Chinese spouting bowl (shown above) is another product on the Educational Innovations website which is used as a demonstration of resonance with the use of two brass plates mounted on a large glass bowl. These plates are then rubbed by the user transmitting the friction and vibration through the bowl producing a melow sound from the bowl which can be altered dependant on the speed which the brass plates are rubbed.
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