Re: Brain Drain
2015/12/10 14:45:25
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☄ Helpfulby BobF 2015/12/10 18:07:00
It's obviously not possible here in the CH.

In order, then, to discover the limit of deepest tones, it is necessary not only to produce very violent agitations in the air but to give these the form of simple pendular vibrations. - Hermann von Helmholtz, predicting the role of the electric bassist in 1877.