Unauthorized PayPal necroposts
People are incessantly necroposting.
Perhaps 3-4 years in the future, someone can advise me on what can be done about this?
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.