Recent content by mnphysicist

As far as power disturbances go, its usually a cumulative thing. Ie, most single events (short of a nearby lightning hit) will not result in failure, and most test standards require a unit to handle a multitude of nasties before failure.

I get the setlist on Wednesday before, but get the charts and latest changes 15 minutes prior to the service... Its usually just enough time to silently sight-sing all the parts before the prelude.

An electrical connection as others have mentioned is needed. However, in the anodizing process, an electrical connection is needed as well, and most firms randomly put an electrode on the back side, such that the small spot where anodizing is missing will not be noticed. What you might do, is...