In order to understand past, one has to look back and revisit it. In like manner, we are going
to take a look at our very rich history and study what are the major turns in the
development of Science and Technology that had led us to the innovation of cutting edge
and sophisticated Technology in the present.
Your task is to fill in the K-W-L chart below by jotting down what you have known and what
are the things that you would like to know about our historical antecedents in terms of
Science and Technology.