We acquired a lot of broken pieces of Hokie Stone laying around from all the construction. We had lots of ideas of things to do with it in our apartment, but we'd get drunk too early on the weekends we could do anything with it to use power tools.
Salt printing is an old process technique whereby paper is treated with a solution of salt and silver nitrate and then subjected to outdoor exposure (sunlight). The resulting salt process âsun pictureâ is characteristic for its matt appearance, and reddish brown colouring.
The other type of salt bridge consists of a filter paper, also soaked with a relatively inert electrolyte, usually potassium chloride or sodium chloride because they are chemically inert. No gelification agent is required as the filter paper provides a solid medium for conduction.