James Waldby wrote:

-- Have the pennies fall between two plates, with a constant
sideways airflow; the lighter pennies will deflect sideways more.


-- Have a "ski jump" to roll the pennies down, or a ballistic launcher
to deliver constant specific impulses, and put bins at the right
distances to catch each variety.

-jiw

You are attempting to export sensitive nuclear technology with these
statements!
Please report to the FBI at your earliest convenience...

Dave