Gordon Forgey

A good many people remember when their school blackboard was actually black. Then, the blackboard turned green.

Newer yet is the white board, no longer needing chalk, but special pens.

Now, the white board is evolving into more than just an instrument for writing. New versions of the white board are being manufactured as self-defense tools.

White boards, just large enough to hide behind, are being distributed at one university. They are made of bulletproof material and should protect the user in case a rampaging shooter attacks the school. Reportedly, the first school to acquire these are givi...