thanks for the help everybody! I have been doing a few experiments with ferric sand and it does seem to be too difficult to control. Ill start working with aluminum and copper and see where that goes.
I am starting a rather unique project and thought I would ask a few questions before I get too lost. Basically the project is to create an hour glass that can be controlled so the sand will go both down or up. My first thoughts were to use a series of electromagnets in a pulse series to lift the...