This meant a system that used a blank firing replica gun, and a system to detect blank rounds being fired. Very cool, and the way he went about it includes some interesting electronics.

An amnesty has been announced for owners of four types of Turkish-made blank firing guns that can be easily converted to fire live ammunition. Tests by the National Crime Agency (NCA) found ...

The Chicago Fire took full advantage of all of their opportunities Thursday and defeated the New England Revolution 3-0, winning their Eastern Conference Semifinal Series by the same score.