Instead of raising your hand to ask a question in class, how about individual push buttons on each desk That way, when you want to ask a question, you just push the button and it lights up a corresponding number on a tote board at the front of the class. Then all the professor has to do is check the lighted number against a master sheet of names and numbers to see who is asking the question.
Jack Handey in Deep Thoughts
Added by Lucian Velea
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